GK Quiz on Science: Chemistry Set I

16-OCT-2018 17:08
    GK Quiz on Science: Chemistry Set I

    Chemistry is a creative discipline chiefly concerned with atomic and molecular structure and its change, for instance through chemical reactions. It is important in everyday life because many of the changes you observe in the world around you are caused by chemical reactions. Examples include changing colors of leaves, cooking food and getting clean.

    1. RDX is chemical compound. How is it used?

    A. As an composition

    B. As an reactor

    C. As an explosive

    D. As an nuclear weapon

    Ans: C

    2. As a vegetable preservative poly______ foam is used

    A. Uthane

    B. Uriathenes

    C. Urathanes

    D. Urethanes

    Ans: D

    3. Chemistry is a branch of science which can be used for providing the services to mankind. Comment on the statement.

    A. True

    B. False

    C. May Be

    D. Strongly not

    Ans: D

    4. Where the Bio-chemical compounds are used?

    A. Skin Treatments

    B. Food preservatives

    C. Cooking Oils

    D. All of the above

    Ans: D

    5. Match the following:

    Set I

    a. Fertilizers

    b. Nuclear Bomb

    c. LPG   

    d. Carbon

    Set I

    1.  Constructive and destructive matter

    2. Cooking Gas

    3. Curse of chemical reactions

    4. Advanced process


           a       b      c        d

    A.    3     4     2      1

    B.   1      2     3      4

    C.   4      1     2      3

    D.   2      3     4      1

    Ans: B

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    6. What is the composition of soap?

    A. Sodium salt with fatty acids.

    B. Potassium salt with fatty acids

    C. Both a & b

    D. Sodium and Potassium salt mixed with chemicals

    Ans: C

    7. What is detergent?

    A. A liquid surfactant

    B. A liquid soluble

    C. A liquid sovent

    D. A liquid solution

    Ans: A

    8. Which is not used as an alkali?

    A. Sodium hydroxide

    B. Potassium hydroxide

    C. Carbon hydroxide

    D. Nitrogen hydroxide

    Ans: D

    9. What is toxicity?

    A. A chemical reaction

    B. A process used in the manufacturing of detergents

    C. A harmful effect of soaps and detergents required to measure the effectiveness.

    D. A process used in the manufacturing of soaps

    Ans: C

    10.  Match the following:

    Set I

    a. A Fatty Acid

    b. Potassium Hydroxide   

    c. Non-ionic Surfactants

    d. Neutralization

    Set II

    1. Better Alkali

    2. Process to make detergent

    3. Process to make soap   

    4. Oil and fats


           a         b        c         d

    A.    3      4     2        1

    B.    1      2     3       4

    C     4      1     2       3

    D.    2      3     4       1

    Ans:  C

    1000+ GK Question and Answers on General Science

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