Chemistry Questions Answers

  • 92. How many different oxides are formed by nitrogen ?

    1. two
    2. three
    3. four
    4. five
    Answer And Explanation

    Answer: Option A

  • 93. The major component used in preparation of different types of glasses is :

    1. Sodium borate
    2. Sodium silicate
    3. Silica
    4. Calcium silicate
    Answer And Explanation

    Answer: Option C

  • 94. Acid rain is due to air pollution by ?

    1. Carbon dioxide
    2. Carbon monoxide
    3. Methane
    4. Nitrous oxide and Sulphur dioxide
    Answer And Explanation

    Answer: Option D

  • 95. Acids taste

    1. Sour
    2. Sweet
    3. May be both
    4. None of both
    Answer And Explanation

    Answer: Option A

  • 96. What is metallurgy ?

    1. process of extracting metal in pure form from its ore.
    2. process of creating alloys of metals.
    3. process of making metals live long.
    4. None of above.
    Answer And Explanation

    Answer: Option A

  • 97. Oxides of metals are alkaline.

    1. TRUE
    2. FALSE
    Answer And Explanation

    Answer: Option A

  • 98. What is used to avoid melting of ice ?

    1. Gelatine
    2. Butane
    3. Methane
    4. Any acid
    Answer And Explanation

    Answer: Option A