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question_answer1)
Which of the following are alkanes?
A)
\[{{C}_{2}}{{H}_{6}}\] done
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B)
\[{{C}_{3}}{{H}_{8}}\] done
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C)
\[{{C}_{4}}{{H}_{10}}\] done
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D)
All the above done
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E)
None of these done
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question_answer2)
Which of the following is the IUPAC name of the formula\[{{C}_{4}}{{H}_{10}}\]?
A)
Ethane done
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B)
Butane done
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C)
Propene done
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D)
Butyne done
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E)
None of these done
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question_answer3)
Which of the following is the common name of ethyne?
A)
Propylene done
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B)
Ethylene done
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C)
Acetylene done
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D)
Methyl-acetylene done
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E)
None of these done
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question_answer4)
Which of the following is the IUPAC name of\[{{C}_{2}}{{H}_{5}}OH\]?
A)
Ethanol done
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B)
Propanol done
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C)
Methanol done
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D)
Butanol done
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E)
None of these done
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question_answer5)
Which of the following is used for making glass cutters?
A)
Graphite done
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B)
Diamond done
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C)
Steel done
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D)
Bronze done
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E)
None of these done
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question_answer6)
Which of the following is the molecular formula of urea?
A)
\[CO{{(N{{H}_{2}})}_{2}}\] done
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B)
\[N{{H}_{4}}CNO\] done
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C)
\[C{{H}_{3}}CHO\] done
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D)
\[C{{H}_{3}}COOH\] done
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E)
None of these done
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question_answer7)
Which of the following is the molecular formula of benzene?
A)
\[{{C}_{6}}{{H}_{_{6}}}\] done
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B)
\[{{C}_{6}}{{H}_{10}}\] done
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C)
\[{{C}_{6}}{{H}_{12}}\] done
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D)
\[{{C}_{6}}{{H}_{14}}\] done
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E)
None of these done
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question_answer8)
Which of the following is the molecular mass of \[{{C}_{2}}{{H}_{5}}OH\]?
A)
32 done
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B)
46 done
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C)
30 done
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D)
18 done
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E)
None of these done
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question_answer9)
Which of the following is the molecular mass of\[{{C}_{3}}{{H}_{7}}OH\]?
A)
32 done
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B)
46 done
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C)
60 done
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D)
66 done
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E)
None of these done
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question_answer10)
Which one of the following is an allotrope of carbon?
A)
Glass done
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B)
Graphite done
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C)
Diamond done
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D)
Both [b] and [c] done
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E)
None of these done
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question_answer11)
Which one of the following statements is correct?
(i) Graphite and diamond are non-conductors of electricity. |
(ii) Graphite is lighter than diamond. |
(iii) Diamond and graphite burns in oxygen to produce carbon dioxide only. |
(iv) Diamonds can be made artificially by subjecting pure carbon to very low pressure and temperature. |
A)
Only (i) done
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B)
Only (ii) and (iv) done
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C)
Only (ii) and (iii) done
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D)
All (i), (ii), (iii) and (iv) done
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E)
None of these done
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question_answer12)
Which one of the following is an example of alkyl group?
A)
\[{{C}_{2}}{{H}_{6}}\] done
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B)
\[C{{H}_{4}}\] done
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C)
\[C{{H}_{_{3}}}\] done
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D)
\[{{C}_{3}}{{H}_{4}}\] done
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E)
None of these done
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question_answer13)
Which one of the following statements is incorrect?
A)
An unsaturated hydrocarbon containing a triple bond is an alkyne. done
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B)
An unsaturated hydrocarbon containing a single bond is an alkane. done
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C)
An unsaturated hydrocarbon containing a double bond is an alkene. done
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D)
All the above done
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E)
None of these done
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question_answer14)
The given hydrocarbon is: \[C{{H}_{3}}-\,C{{H}_{2}}\,-C{{H}_{2}}\,-C{{H}_{2}}-C{{H}_{3}}\]
A)
Butane done
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B)
Pentane done
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C)
Pentene done
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D)
Pentyne done
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E)
None of these done
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question_answer15)
The hydrocarbons present in LPG are:
A)
Propane done
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B)
Iso-butane done
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C)
n-butane done
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D)
All the above done
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E)
None of these done
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question_answer16)
The compounds with same molecular formula but different structures are
A)
Isotopes done
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B)
Alloys done
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C)
Isomers done
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D)
Mixtures done
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E)
None of these done
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question_answer17)
Butyne has ____ carbon -hydrogen single bonds.
A)
Five done
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B)
Six done
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C)
Three done
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D)
Four done
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E)
None of these done
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question_answer18)
Which one of the following is used for ripening of many raw fruits?
A)
\[{{C}_{5}}{{H}_{10}}\] done
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B)
\[{{C}_{2}}{{H}_{4}}\] done
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C)
\[{{C}_{3}}{{H}_{8}}\] done
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D)
\[{{C}_{2}}{{H}_{6}}\] done
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E)
None of these done
clear
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question_answer19)
Which of the following belongs to the same homologous series?
A)
\[{{C}_{4}}{{H}_{6}}\] done
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B)
\[{{C}_{5}}{{H}_{8}}\] done
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C)
\[{{C}_{4}}{{H}_{8}}\] done
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D)
Both [a] and [b] done
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E)
None of these done
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question_answer20)
Which one of the following structures shown below represents the compound Iso- butane?
A)
B)
C)
D)
\[C{{H}_{3}}-C\equiv CH\] done
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E)
None of these done
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question_answer21)
Which one of the following represents propanoic acid?
A)
\[C{{H}_{3}}\,\,CO\,\,C{{H}_{2}}C{{H}_{2}}\,\,C{{H}_{3}}\] done
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B)
C)
\[C{{H}_{3}}\,\,CO\,\,C{{H}_{3}}\] done
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D)
E)
None of these done
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question_answer22)
Match the following:
Column A | Column B |
(i) Butanone | [A] \[-OH\] |
(ii) Propanal | [B] \[-COOH\] |
(iii) Methanol | [C] \[-CO-\] |
(iv) Ethanoic acid | [D] \[-CHO-\] |
A)
(i - D), (ii - A), (iii - C), (iv - B) done
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B)
(i - C), (ii - D), (iii - A), (iv - B) done
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C)
(i - C), (ii - D), (iii - B), (iv - A) done
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D)
(i - D), (ii - C), (iii - A), (iv - B) done
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E)
None of these done
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question_answer23)
The gas evolved when ethanol reacts with sodium is:
A)
Carbon dioxide done
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B)
Hydrogen done
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C)
Oxygen done
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D)
Nitrogen done
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E)
None of these done
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question_answer24)
An ester is formed when:
A)
Ethane reacts with acetic acid. done
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B)
Methanol reacts with sodium. done
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C)
Ethanol reacts with ethanoic acid. done
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D)
Bleaching powder reacts with ethanol. done
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E)
None of these done
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question_answer25)
Which one of the following acids is an example of monocarboxylic acids?
A)
Formic acid done
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B)
Acetic acid done
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C)
Oxalic acid done
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D)
Both [a] and [b] done
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E)
None of these done
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question_answer26)
The property of carbon which enables it to form a large number of carbon compounds is:
A)
Acidity done
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B)
Catenation done
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C)
Electropositivity done
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D)
All the above done
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E)
None of these done
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question_answer27)
A dilute solution of ethanoic acid in water is called:
A)
Fehling's solution done
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B)
Tollen's reagent done
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C)
Vinegar done
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D)
Tincture of iodine done
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E)
None of these done
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question_answer28)
The molecular formula of the fifth member of the homologous series of carbon compounds represented by the general formula \[{{C}_{n}}{{H}_{2n+1}}OH\]
A)
\[{{C}_{2}}{{H}_{12}}\] done
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B)
\[{{C}_{5}}{{H}_{11}}OH\] done
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C)
\[{{C}_{5}}{{H}_{12}}OH\] done
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D)
\[{{C}_{5}}{{H}_{11}}CHO\] done
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E)
None of these done
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question_answer29)
Which of the following statements is incorrect?
A)
Ethene decolourises bromine water. done
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B)
Ethane decolourises bromine water. done
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C)
Butter does not decolourises bromine water. done
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D)
All the above done
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E)
None of these done
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question_answer30)
Which one among the following can turn blue litmus solution red?
A)
\[C{{H}_{3}}OH\] done
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B)
\[C{{H}_{3}}COOH\] done
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C)
\[HCOOH\] done
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D)
Both [b] and [c] done
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E)
None of these done
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question_answer31)
A compound formed after the oxidation of ethanol with alkaline potassium permanganate will:
A)
Turn blue litmus to red done
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B)
Turn red litmus to blue done
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C)
Have pH less than 7 done
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D)
Both [a] and [c] done
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E)
None of these done
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question_answer32)
The name of the compound \[C{{H}_{3\,}}-C{{H}_{2}}\,-CHO\]is:
A)
Propanal done
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B)
Propanone done
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C)
Ethanol done
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D)
Ethanal done
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E)
None of these done
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question_answer33)
Detergents are sodium salts of long chain of:
A)
Ketones done
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B)
Aldehydes done
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C)
Sulphonic acid done
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D)
Acetic acid done
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E)
None of these done
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question_answer34)
Match the following:
Column A | Column B |
(i)\[{{C}_{4}}{{H}_{9}}COO{{C}_{2}}{{H}_{5}}\] | [A] Repated chlorination forms chloroform |
(ii)\[C{{H}_{3}}OH\] | [B] Sterilise wounds |
(iii) \[C{{H}_{4}}\] | [C] Ester |
(iv) \[{{C}_{2}}{{H}_{5}}OH\] | [D] Added to form denature alcohol to ethanol |
A)
(i - C), (ii - A), (iii - B), (iv - D) done
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B)
(i - D), (ii - C), (iii - B), (iv - A) done
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C)
(i - C), (ii - D), (iii - A), (iv - B) done
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D)
(i - C), (ii - D), (iii - B), (iv - A) done
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E)
None of these done
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question_answer35)
Vinegar is a solution of
A)
50% - 60% acetic acid in alcohol done
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B)
5% - 8% acetic acid in alcohol done
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C)
5% - 8% acetic acid in water done
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D)
50% - 60% acetic acid in water done
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E)
None of these done
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question_answer36)
Covalent compounds are generally:
A)
Soluble in water done
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B)
Insoluble in water done
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C)
Ionize in water done
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D)
Hydrolyse in water done
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E)
None of these done
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question_answer37)
____ can cause blindness, if taken internally.
A)
\[{{C}_{6}}{{H}_{12}}{{O}_{2}}\] done
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B)
\[C{{H}_{3}}OH\] done
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C)
\[C{{H}_{3}}COOH\] done
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D)
\[{{C}_{2}}{{H}_{5}}OH\] done
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E)
None of these done
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question_answer38)
The disease caused due to heavy drinking of alcohol over a long period of time is: ?
A)
Ricket done
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B)
Polio done
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C)
Cirrhosis done
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D)
Influenza done
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E)
None of these done
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question_answer39)
Which among the following will undergo substitution reaction in the presence of sunlight?
A)
\[{{C}_{3}}{{H}_{6}}\] done
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B)
\[{{C}_{3}}{{H}_{8}}\] done
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C)
\[{{C}_{3}}{{H}_{4}}\] done
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D)
All the above done
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E)
None of these done
clear
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question_answer40)
Butane with the molecular formula C H has:
A)
10 covalent bonds done
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B)
13 covalent bonds done
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C)
9 covalent bonds done
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D)
8 covalent bonds done
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E)
None of these done
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