Chemistry Questions Answers

  • 71. Faraday's Law is associated with

    1. Reaction of gases
    2. Pressure of gases
    3. Electrolysis
    4. Temperature and pressure
    Answer And Explanation

    Answer: Option C

  • 72. Enzymes are

    1. Fatty acids
    2. Carbohydrates
    3. Nucleic acids
    4. Proteins
    Answer And Explanation

    Answer: Option D

  • 73. Elements that show the properties of both metals and non metals are called ?

    1. metalloids
    2. allotropes
    3. alloys
    4. colloids
    Answer And Explanation

    Answer: Option A

  • 74. Ozone is :

    1. Non-magnetic
    2. Paramagnetic
    3. Ferromagnetic
    4. Diamagnetic
    Answer And Explanation

    Answer: Option D

  • 75. Petroleum is found in ?

    1. Marshy land
    2. Metamorphic rocks
    3. Igneous rock
    4. Sedimentary rocks
    Answer And Explanation

    Answer: Option D

  • 76. Permanent hardness of water is due to the presence of ?

    1. Magnesium bicarbonate
    2. Calcium bicarbonate
    3. Sodium bicarbonate
    4. Calcium sulphate
    Answer And Explanation

    Answer: Option D

  • 77. What is laughing gas ?

    1. nitrous oxide
    2. nitric oxide
    3. nitrogen oxide
    4. nitrogen peroxide
    Answer And Explanation

    Answer: Option A