Banking Chemistry Some Important Man-Made Materials Question Bank

done Some Important Man-Made Materials Total Questions - 37

• question_answer1)
  Deficiency of vitamin A results in
  A)
   lose in apetite                done clear
  B)
   skin diseases done clear
  C)
   sterility                done clear
  D)
          retarted growth   done clear
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• question_answer2)
  Which one of the following contains cobalt?
  A)
   Riboflavin                     done clear
  B)
   Vitamin \[{{B}_{12}}\]   done clear
  C)
   Vitamin A            done clear
  D)
          Vitamin \[{{B}_{6}}\] done clear
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• question_answer3)
  Night-blindness is caused due to the deficiency of
  A)
   Vitamin D                     done clear
  B)
   Vitamin A   done clear
  C)
   Vitamin C            done clear
  D)
          Vitamin B done clear
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• question_answer4)
  Alkaline hydrolysis of esters is known as
  A)
   esterification                  done clear
  B)
   saponification   done clear
  C)
   dehydration         done clear
  D)
          alkalination done clear
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• question_answer5)
  Deficiency of vitamin E causes
  A)
   Beriberi                         done clear
  B)
   Scurvy done clear
  C)
   Hemolytic anemia            done clear
  D)
   None of these done clear
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• question_answer6)
  Scurvy is caused due to the deficiency of vitamin
  A)
   \[{{B}_{1}}\]                           done clear
  B)
   C   done clear
  C)
   K                     done clear
  D)
          A done clear
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• question_answer7)
  Which of the following statements, is not correct, about glass?
  A)
   Because of its high viscosity glass exists in solid state done clear
  B)
   There is no definite melting point for glass. done clear
  C)
   The silicate units in glass are arranged in a way that is quite similar to the arrangement found in liquids. done clear
  D)
   Glass is a solid because it has a regular crystalline arrangement.   done clear
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• question_answer8)
  The property of plasticity is shown by clay, when it is
  A)
   mixed with proper proportion of water   done clear
  B)
   heated strongly done clear
  C)
   dried at room temperature after kneading done clear
  D)
   glazed done clear
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• question_answer9)
  One of the properties of glass is its transparency. This property of glass is due to
  A)
   its high viscosity. done clear
  B)
   regular arrangement of silicate units in glass. done clear
  C)
   irregular arrangement of silicate units in glass.   done clear
  D)
   its high coefficient of thermal expansion. done clear
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• question_answer10)
  Washing soaps are potassium and sodium salts of
  A)
   dicarboxylic acids          done clear
  B)
   fatty acids   done clear
  C)
   mineral acids       done clear
  D)
          None of these done clear
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• question_answer11)
  When glass is heated, it
  A)
   does not melt at a fixed temperature   done clear
  B)
   vapourises done clear
  C)
   melts only above \[1000{}^\circ C\] done clear
  D)
   None of these done clear
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• question_answer12)
  Glass is a transparent substance obtained by heating silica with oxides or carbonates of metals. Glass is a mixture of
  A)
   phosphates                    done clear
  B)
   sulphates done clear
  C)
   oxides                done clear
  D)
          silicates   done clear
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• question_answer13)
  Potash (Potassium carbonate) is used as a fertilizer. It is also known as
  A)
   azo compound               done clear
  B)
   oil of vitriol done clear
  C)
   pearl ash               done clear
  D)
          Glauber's salt done clear
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• question_answer14)
  Soft soaps are
  A)
   sodium and potassium salt done clear
  B)
   sodium salt of fatty acids done clear
  C)
   potassium salt of fatty acids   done clear
  D)
   potassium salt of sulphonic acids done clear
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• question_answer15)
  Soaps are
  A)
   sodium salts of sulphuric acids containing carbon atoms 10 to 16 done clear
  B)
   sodium salts of fatty acids containing carbon atoms 16 to 18   done clear
  C)
   sodium salts of trihydroxy alcohols done clear
  D)
   none of these done clear
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• question_answer16)
  Soaps are sodium salts of tatty acids. Which of the following fatty acid does not form soap?
  A)
   Butyric acid                    done clear
  B)
   Oleic acid done clear
  C)
   Palmitic acid        done clear
  D)
          Stearic acid done clear
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• question_answer17)
  Which one of the following is not contained in Portland cement?
  A)
   \[C{{a}_{3}}A{{l}_{2}}{{O}_{6}}\]                done clear
  B)
   \[C{{a}_{3}}Si{{O}_{5}}\] done clear
  C)
   \[C{{a}_{2}}Si{{O}_{4}}\]             done clear
  D)
          \[C{{a}_{3}}{{(P{{O}_{4}})}_{2}}\]   done clear
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• question_answer18)
  What is the reason for white cement to be white?
  A)
   It does not contain carbon done clear
  B)
   It does not contain silicon done clear
  C)
   It does not contain iron   done clear
  D)
   It does not contain calcium done clear
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• question_answer19)
  Which one of the following is not present in cement?
  A)
   Clay                done clear
  B)
   Alumina done clear
  C)
   Alum                 done clear
  D)
          Gypsum done clear
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• question_answer20)
  Which substance is used to retard the setting action of cement?
  A)
   \[CaO\]                         done clear
  B)
   \[A{{l}_{2}}{{O}_{3}}\] done clear
  C)
   \[CaS{{O}_{4}},2{{H}_{2}}O\]       done clear
  D)
          \[N{{a}_{2}}O+{{K}_{2}}O\] done clear
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• question_answer21)
  Which of the statements about glass are correct?

  1. Glass is a super-cooled liquid having infinite viscosity.

  2. Violet coloured glass is obtained by adding \[Mn{{O}_{2}}\].

  3. Glass is a man-made silicate.

  4. Glass is a crystalline substance.

  Select the correct answer using the codes given below.
  A)
   1, 2 and 4                     done clear
  B)
   2, 3 and 4 done clear
  C)
   1, 2 and 3           done clear
  D)
          1 and 3   done clear
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• question_answer22)
  Which one among the following is the main ingredient in cement?
  A)
   Gypsum                       done clear
  B)
   Limestone   done clear
  C)
   Clay                done clear
  D)
          Ash done clear
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• question_answer23)
  Glass is actually
  A)
   a crystalline solid           done clear
  B)
   an ionic solid done clear
  C)
   an elastic solid       done clear
  D)
          a vitrified liquid done clear
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• question_answer24)
  The major component used in preparation of different types of glasses is
  A)
   silica                              done clear
  B)
   sodium borate done clear
  C)
   calcium silicate     done clear
  D)
          sodium silicate done clear
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• question_answer25)
  The reaction that takes place in soap making is called saponification. Basically soap is sodium or potassium salts of
  A)
   long chain monocarboxylic acids done clear
  B)
   glycerol done clear
  C)
   long chain dicarboxylic acids done clear
  D)
   long chain tricarboxylic acids   done clear
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• question_answer26)
  The most important raw materials used in the manufacture of cement are
  A)
   potassium nitrate, charcoal and sulphur done clear
  B)
   limestone, clay and gypsum   done clear
  C)
   transition metal oxides, sodium hydroxide or potassium hydroxide done clear
  D)
   limestone, sodium carbonate and silica done clear
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• question_answer27)
  Given below is an approximate composition of a substance: \[CaO\]              60-70% \[Si{{O}_{2}}\]                         20-25% \[A{{l}_{2}}{{O}_{3}}\]                       5-10% \[F{{e}_{2}}{{O}_{3}}\]                      2-3% The substance is
  A)
   plaster of Paris               done clear
  B)
   cement   done clear
  C)
   marble stone                 done clear
  D)
   quartz done clear
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• question_answer28)
  The principle of cleaning by soap is
  A)
   surface tension                 done clear
  B)
   floatation done clear
  C)
   viscosity              done clear
  D)
          elasticity done clear
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• question_answer29)
  By which one among the following mechanisms, soap removes dirt (soil) from cloth?
  A)
   Soap dissolves the soil as such done clear
  B)
   Soap reacts with soil and converts them into soluble silicates done clear
  C)
   Soap takes away the oily part of the soil and thus separates the soil from the cloth done clear
  D)
   The soap molecules bind with the soil, lift the soil and keep it suspended which can then be rinsed away   done clear
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• question_answer30)
  Consider the following statements

  1. Soap cannot be used in acidic water.

  2. Ionic part of a soap is \[-CO{{O}^{-}}N{{a}^{+}}\]

  3. Soap dissolves in water faster than detergent.

  Which of the statements given above is/are correct?
  A)
   l and 2               done clear
  B)
   2 and 3 done clear
  C)
   3 only                done clear
  D)
          1 only done clear
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• question_answer31)
  What is the composition of nitrile - a chemical fertilizer?
  A)
   Nitrogen and limestone done clear
  B)
   Calcium carbide and nitrogen done clear
  C)
   Calcium carbide and carbon done clear
  D)
   None of these   done clear
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• question_answer32)
  Which one of the following correctly defines the state of glass?
  A)
   Crystalline solid             done clear
  B)
   Super cooled liquid   done clear
  C)
   Condensed gas    done clear
  D)
          Liquid crystal done clear
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• question_answer33)
  Flint glass is obtained from which of the following?
  A)
   Zinc and barium borosilicate done clear
  B)
   Sand, red lead and potassium carbonate   done clear
  C)
   Sodium aluminum borosilicate done clear
  D)
   Pure silica and zinc oxide done clear
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• question_answer34)
  Which of the following statements about vitamin \[{{B}_{12}}\] is incorrect?
  A)
   It has a cobalt atom done clear
  B)
   It occurs in plants done clear
  C)
   It is also present in rain water   done clear
  D)
   It is needed for human body in very small amounts done clear
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• question_answer35)
  Washing soap can be prepared by saponification with alkali of which of the following oil
  A)
   Rose oil                        done clear
  B)
   Paraffin oil done clear
  C)
   Groundnut oil        done clear
  D)
          Kerosene oil done clear
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• question_answer36)
  The aqueous solution of one of the following vitamins is dark in colour
  A)
   \[{{B}_{1}}\]                           done clear
  B)
   \[{{B}_{2}}\] done clear
  C)
   \[{{B}_{6}}\],                          done clear
  D)
   \[{{B}_{12}}\]   done clear
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• question_answer37)
  Which one of the following is a vitamin?
  A)
   Benzoic acid                  done clear
  B)
   Ascorbic acid   done clear
  C)
   Oxalic acid           done clear
  D)
         Formic acid done clear
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