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  • Question
  • Chlorine gas is used in the manufacture of:


  • Options
  • A. Baking powder
  • B. Bleaching powder
  • C. Baking soda
  • D. Washing soda

  • Correct Answer
  • Bleaching powder 

  • Tags: Bank Exams

    Chemistry problems


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    • 1. If the atomic number of Krypton is 36, then its electronic configuration is:

    • Options
    • A. 2,8,18,8
    • B. 2,8,20,6
    • C. 2,18,16
    • D. 2,18,8,8
    • Discuss
    • 2. The main cause of rancidity in foods is the ____ of fats and oils.

    • Options
    • A. hydrolysis
    • B. clarification
    • C. reduction
    • D. oxidation
    • Discuss
    • 3. Which of the following is essential for the synthesis of thyroxin?

    • Options
    • A. Potassium
    • B. Calcium
    • C. Iodine
    • D. Sodium
    • Discuss
    • 4. The polar ice-caps are made of ____________ water

    • Options
    • A. Saline
    • B. Salt
    • C. Sour
    • D. Fresh
    • Discuss
    • 5. Atomic bomb is based on which of the following principle?

    • Options
    • A. Nuclear fusion
    • B. Nuclear fission
    • C. Natural radioactivity
    • D. All options are correct
    • Discuss
    • 6. Who among the following laid the foundation of chemical sciences by establishing two important laws of chemical combination?

    • Options
    • A. Joseph L. Proust
    • B. Antoine L. Lavoisier
    • C. Ernest Rutherford
    • D. Democritus
    • Discuss
    • 7. Elements A, B and C occur as Dobereiners triads. If the atomic mass of A is 7 and that of C is 39, what will be the atomic mass of B?

    • Options
    • A. 20
    • B. 40
    • C. 23
    • D. 12
    • Discuss
    • 8. Metals reacts with acids to give:

    • Options
    • A. a salt and chlorine
    • B. a salt and hydrogen
    • C. a salt and water
    • D. a salt and base
    • Discuss
    • 9. What is the percentage of oxygen in Al2(SO4)3 ?

    • Options
    • A. 57.7%
    • B. 56.1%
    • C. 53.1%
    • D. 52.6%
    • Discuss
    • 10. ........... as is used as an illuminating gas.

    • Options
    • A. Methyl
    • B. Propane
    • C. Butene
    • D. Ethyne
    • Discuss


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