Home / General Knowledge / Chemistry :: section-8

General Knowledge :: Chemistry

  1. Sour taste of ‘Coca Cola’ is due to the presence of

  2. A.

     Acetic acid

    B.

     Phosphoric acid

    C.

     Hydrochloric acid

    D.

     Formic acid


  3. An acid having basicity one is

  4. A.

     Sodium dihydrogen phosphate

    B.

     Disodium hydrogen phosphate

    C.

     Sodium phosphate

    D.

     Phosphoric acid


  5. The acid present in red ants is

  6. A.

     Acetic acid

    B.

     Butyric acid

    C.

     Caproic acid

    D.

     Formic acid


  7. Bee sting contains

  8. A.

     An acidic liquid

    B.

     A salt solution

    C.

     An alkaline liquid

    D.

     A corrosive liquid


  9. Sweat contains water and ________

  10. A.

     Citric acid

    B.

     Lactic acid

    C.

     Salt

    D.

     Vinegar


  11. The substance most commonly used as a food preservative is

  12. A.

     Sodium carbonate

    B.

     Tartaric acid

    C.

     Acetic acid

    D.

     Sodium salt of benzoic acid


  13. Curd is sour due to presence of

  14. A.

     Tartaric acid

    B.

     Lactic acid

    C.

     Acetic acid

    D.

     Oxalic acid


  15. Drinking soda is

  16. A.

     Alkaline

    B.

     Acidic

    C.

     Neutral

    D.

     Oxidant


  17. Which of the following has pH value 7?

  18. A.

     Pure Water

    B.

     H2SO4

    C.

     Sodium Carbonate

    D.

     HCl


  19. Muscle fatigue is caused by the accumulation of :

  20. A.

     Pyruvic acid

    B.

     Lactic acid

    C.

     Oxalacetic acid

    D.

     Uric acid