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General Knowledge :: General Science

  1. Amalgams are:

  2. A.

     Highly coloured alloys

    B.

     Alloys which contain mercury as one of the contents

    C.

     Alloys which have great resistance to abrasion

    D.

     Alloys which contain carbon


  3. Which of the following is the lightest metal?

  4. A.

     Mercury

    B.

     Lithium

    C.

     Lead

    D.

     Silver


  5. Which of the following metals remain in liquid for under normal conditions?

  6. A.

     Radium

    B.

     Zinc

    C.

     Uranium

    D.

     Mercury


  7. Potassium Permanganate is used for purifying drinking water, because

  8. A.

     It is a sterilising agent.

    B.

     It dissolves the impurities of water.

    C.

     It is a reducing agent.

    D.

     It is an oxidising agent.


  9. Which of the following is an element?

  10. A.

     Ruby

    B.

     Sapphire

    C.

     Emerald

    D.

     Diamond


  11. What is the unit for measuring the amplitude of a sound?

  12. A.

     Decibel

    B.

     Coulomb

    C.

     Hum

    D.

     Cycles


  13. Reading of a barometer going down is an indication of

  14. A.

     Snow

    B.

     Storm

    C.

     Intense heat

    D.

     Rainfall


  15. Decibel is the unit for

  16. A.

     Speed of light

    B.

     Radio wave frequency

    C.

     Intensity of sound

    D.

     Intensity of heat


  17. One fathom is equal to

  18. A.

     6 feet

    B.

     6 meters

    C.

     60 feet

    D.

     100 cm


  19. Fathom is the unit of

  20. A.

     Sound

    B.

     Depth

    C.

     Frequency

    D.

     Distance