10th Class Science Acids, Bases and Salts / अम्ल, क्षार एवं लवण Question Bank

done Acid, Bases and Salts Total Questions - 40

• question_answer1)
  Identify a compound which contains replaceable hydrogen.
  A)
  An acid                                done clear
  B)
  A base                 done clear
  C)
  A salt                                    done clear
  D)
  Both (a) and (b)                               done clear
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• question_answer2)
  Which acid is present in an apple?
  A)
  Citric acid                            done clear
  B)
  Malic add                            done clear
  C)
  Tartaric acid  done clear
  D)
  Formic acid  done clear
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• question_answer3)
  Which of the following is a mineral acid?
  A)
  \[HCl\]                                done clear
  B)
  \[{{H}_{2}}S{{O}_{4}}\]                 done clear
  C)
  \[HN{{O}_{3}}\]                               done clear
  D)
  All of the above               done clear
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• question_answer4)
  Which acid completely dissociates when dissolved in water?
  A)
  An oxyacid                         done clear
  B)
  A strong acid                     done clear
  C)
  A weak acid       done clear
  D)
  A hydraacid       done clear
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• question_answer5)
  Which acid is weak among mineral acids?
  A)
  \[{{H}_{2}}S{{O}_{4}}\]                                 done clear
  B)
  \[{{H}_{2}}C{{O}_{3}}\]                 done clear
  C)
  \[HCl\]                                 done clear
  D)
  \[HN{{O}_{3}}\]                               done clear
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• question_answer6)
  Which of the following is a strong acid?
  A)
  Lactic acid                           done clear
  B)
  Ascorbic acid                     done clear
  C)
  Formic acid        done clear
  D)
  Sulphuric acid done clear
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• question_answer7)
  Which of the following is made up of bases?
  A)
  Antacid tablet   done clear
  B)
  Soap                     done clear
  C)
  Toothpaste        done clear
  D)
  All of the above               done clear
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• question_answer8)
  Which of the following is formed by the reaction of an acid with a base?
  A)
  A salt                                    done clear
  B)
  An indicator                       done clear
  C)
  A vitamin                            done clear
  D)
  All of the above               done clear
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• question_answer9)
  Identify the salt which contains both negative or positive ions.
  A)
  A basic salt                         done clear
  B)
  A normal salt                     done clear
  C)
  An acidic salt     done clear
  D)
  A double salt done clear
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• question_answer10)
  Which of the following is a strong base?
  A)
  Ammonium hydroxide done clear
  B)
  Sodium hydroxide done clear
  C)
  Magnesium hydroxide done clear
  D)
  Copper hydroxide done clear
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• question_answer11)
  Which of the following is a dibasic acid?
  A)
  \[HCl\]                                 done clear
  B)
  \[{{H}_{3}}P{{O}_{4}}\]                 done clear
  C)
  \[HN{{O}_{3}}\]                               done clear
  D)
  \[{{H}_{2}}S{{O}_{4}}\] done clear
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• question_answer12)
  Identify the type of product formed in the given chemical equation. \[Pb{{(OH)}_{2}}+HN{{O}_{3}}\to Pb(OH)N{{O}_{3}}+{{H}_{2}}O\]
  A)
  An acidic salt     done clear
  B)
  A basic salt                         done clear
  C)
  A base                                 done clear
  D)
  An acid done clear
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• question_answer13)
  An excess of dilute sulphuric acid reacts with both aqueous barium hydroxide and aqueous barium chloride respectively. In what way are the two reactions the same?
  A)
  A gas is evolved. done clear
  B)
  An insoluble salt is formed. done clear
  C)
  Their final pH is 7. done clear
  D)
  A base is produced. done clear
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• question_answer14)
  What is the colour of Copper (II) Chloride formed in the given chemical equation? \[\underset{(black)}{\mathop{CuO+}}\,2HCl\to \underset{(?)}{\mathop{CuC{{l}_{2}}}}\,+{{H}_{2}}O\]
  A)
  Blue                                      done clear
  B)
  Green                  done clear
  C)
  Blue-green                        done clear
  D)
  Both (a) and (b) done clear
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• question_answer15)
  Identify the pH of a solution that turns blue litmus red.
  A)
  8                                             done clear
  B)
  6                             done clear
  C)
  9                                             done clear
  D)
  10 done clear
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• question_answer16)
  Which solution does not conduct electricity?
  A)
  Glucose                               done clear
  B)
  Alcohol                                done clear
  C)
  Sulphuric acid   done clear
  D)
  Both (a) and (b) done clear
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• question_answer17)
  Which acid is used in lead storage batteries?
  A)
  \[{{H}_{2}}S{{O}_{4}}\]                                 done clear
  B)
  \[HN{{O}_{3}}\]                               done clear
  C)
  \[HCl\]                                 done clear
  D)
  \[C{{H}_{3}}COOH\] done clear
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• question_answer18)
  Identify the acid used in the manufacture of glass.
  A)
  Ascorbic acid done clear
  B)
  Boric acid done clear
  C)
  Phosphoric acid done clear
  D)
  Tartaric acid done clear
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• question_answer19)
  A solid element 'X' is a non-metal. It can form
  A)
  an acidic oxide. done clear
  B)
  a basic oxide. done clear
  C)
  a salt. done clear
  D)
  a metallic salt. done clear
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• question_answer20)
  Which gas is passed through dry slaked lime to produce bleaching powder?
  A)
  \[{{H}_{2}}\]                      done clear
  B)
  \[{{O}_{2}}\]                     done clear
  C)
  \[C{{l}_{2}}\]       done clear
  D)
  \[{{N}_{2}}\]                                     done clear
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• question_answer21)
  Which ion is commonly found in an acid and a base?
  A)
  \[{{H}^{+}}\]                                     done clear
  B)
  \[O{{H}^{-}}\]                   done clear
  C)
  \[Cl\]                                    done clear
  D)
  Both (a) and (b) done clear
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• question_answer22)
  Identify the acid used for producing explosives.
  A)
  \[HN{{O}_{3}}\]                               done clear
  B)
  \[{{H}_{2}}S{{O}_{4}}\]                 done clear
  C)
  \[HCl\] done clear
  D)
  \[{{H}_{3}}P{{O}_{4}}\] done clear
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• question_answer23)
  Which compound is added to acidic lake water to prevent killing of fishes?
  A)
  Potassium chloride done clear
  B)
  Ferrous sulphate done clear
  C)
  Calcium carbonate done clear
  D)
  Ammonium chloride done clear
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• question_answer24)
  Identify the weakest acid from the following.
  A)
  \[{{H}_{2}}S{{O}_{4}}\]                                 done clear
  B)
  \[HN{{O}_{3}}\]                               done clear
  C)
  \[{{H}_{2}}S{{O}_{3}}\]                                 done clear
  D)
  \[HCl\] done clear
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• question_answer25)
  A milk man adds a very small amount of baking soda to fresh milk. Why?
  A)
  To increase the rate of fermentation done clear
  B)
  To decrease the rate of fermentation done clear
  C)
  To increase its quality done clear
  D)
  To make paneer done clear
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• question_answer26)
  Which of the following occur(s) due to water of crystallization?
  A)
  Crystals of salts obtain their shape. done clear
  B)
  Crystals of salts obtain their colour. done clear
  C)
  Crystals of salts form a part of crystal structure. done clear
  D)
  All of the above done clear
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• question_answer27)
  Which of the following compounds dissolves in water to give a solution with a pH greater than 7?
  A)
  Calcium carbonate done clear
  B)
  Copper (II) hydroxide done clear
  C)
  Sodium hydroxide done clear
  D)
  Sulphur dioxide done clear
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• question_answer28)
  Which calcium compound does NOT increase the pH of acidic soils?
  A)
  Calcium carbonate done clear
  B)
  Calcium hydroxide done clear
  C)
  Calcium oxide done clear
  D)
  Calcium sulphate done clear
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• question_answer29)
  A white compound produces a mixture of gases when heated. This mixture turns moist universal indicator paper red and relights a glowing splinter. What does this mixture contain?
  A)
  An acidic gas and hydrogen done clear
  B)
  An acidic gas and oxygen done clear
  C)
  An alkaline gas and hydrogen done clear
  D)
  Both (a) and (b) done clear
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• question_answer30)
  Compound 'X' in the aqueous form reacts with ammonium carbonate to give an acidic gas. What is compound 'X'?
  A)
  Calcium hydroxide done clear
  B)
  Ethanoic acid done clear
  C)
  Sodium hydroxide done clear
  D)
  Sulphuric acid done clear
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• question_answer31)
  Which of the following is NOT a salt?
  A)
  Sodium chloride done clear
  B)
  Slaked lime done clear
  C)
  Lead sulphide done clear
  D)
  Zinc nitrate done clear
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• question_answer32)
  Which of the following will not change the pH of \[\text{1}0\text{ c}{{\text{m}}^{\text{3}}}\] of dilute HCl when added to the acid?
  A)
  \[\text{5 c}{{\text{m}}^{\text{3}}}\] of pure water done clear
  B)
  \[\text{2}0\text{ c}{{\text{m}}^{\text{3}}}\] of pure water done clear
  C)
  \[10\,c{{m}^{3}}\] of conc. \[HCl\] done clear
  D)
  \[\text{2}0\text{ c}{{\text{m}}^{\text{3}}}\] of dil. \[HCl\] done clear
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• question_answer33)
  Which of the given substances is used in the following applications?

  (i) It is used as a fire proofing material.

  (ii) For sealing gaps in laboratory apparatus.

  (iii) It is used in making toys.

  A)
  Bleaching powder done clear
  B)
  Plaster of Paris done clear
  C)
  Baking soda done clear
  D)
  Washing soda done clear
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• question_answer34)
  Which of the following is a salt of strong acid and a weak base?
  A)
  \[{{K}_{2}}S{{O}_{4}}\]                                 done clear
  B)
  \[CaS{{O}_{4}}\]                              done clear
  C)
  \[N{{H}_{4}}Cl\]                               done clear
  D)
  \[MgC{{l}_{2}}\] done clear
  View Solution play_arrow

• question_answer35)
  Who devised pH scale?
  A)
  Sorenson                            done clear
  B)
  Bohr                     done clear
  C)
  Sommerfeld                         done clear
  D)
  Arrhenius done clear
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• question_answer36)
  What happens when zinc is added to sodium hydroxide solution in a beaker and warmed?
  A)
  Zinc granules do not undergo any change. done clear
  B)
  White coat is formed over zinc granules. done clear
  C)
  Zinc granules dissolve in sodium hydroxide solution, liberate hydrogen and sodium zincate is formed. done clear
  D)
  Neutralization takes place and zinc hydroxide and water are formed. done clear
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• question_answer37)
  Abhi added a few m/ of conc. Sulphuric acid to zinc granules. Which of the following reactions takes place when metal zinc reacts with it?
  A)
   \[Zn+2{{H}_{2}}S{{O}_{4}}\to ZnS{{O}_{3}}+2{{H}_{2}}O+2S{{O}_{2}}\] done clear
  B)
  \[Zn+2{{H}_{2}}S{{O}_{4}}\to N{{a}_{2}}Zn{{O}_{2}}+{{H}_{2}}\] done clear
  C)
  \[Zn+2{{H}_{2}}S{{O}_{4}}\to ZnS{{O}_{4}}+S{{O}_{2}}+2{{H}_{2}}O\] done clear
  D)
  \[Zn+{{H}_{2}}S{{O}_{4}}\to ZnS{{O}_{4}}+{{H}_{2}}\] done clear
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• question_answer38)
  By A substance 'X' reacts with dilute nitric acid to produce a colorless gas. This gas is dissolved in water to form a solution with pH value less than 7. Identify the substance 'X'.
  A)
  Sodium chloride done clear
  B)
  Sodium oxide done clear
  C)
  Sodium hydroxide done clear
  D)
  Sodium carbonate done clear
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• question_answer39)
  On a pH scale, pH of blood is shown below. What is the nature of blood?
  A)
  Neutral done clear
  B)
  Highly alkaline done clear
  C)
  Slightly alkaline done clear
  D)
  Slightly acidic done clear
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• question_answer40)
  In an accident at a factory, some nitric acid was spilled. Which substance, when added in excess, would neutralize the acid without leaving traces of alkaline solution?
  A)
   Aqueous ammonia done clear
  B)
  Aqueous sodium hydroxide done clear
  C)
  Calcium carbonate done clear
  D)
  Water done clear
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