Practice test

Metals, non metals and metallurgy - Test Set 6

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    Gas used in bleaching powder preparation:
    1. Oxygen
    2. Hydrogen
    3. Nitrogen
    4. Chlorine
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  2. Question 2

    Iodine test on potato shows color change to:
    1. Brown → blue-black
    2. Brown → orange-red
    3. Blue → pink
    4. Pink → blue-green
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  3. Question 3

    SSC Multitasking 2014
    Deep-sea diving gas mixture contains:
    1. Hydrogen
    2. Nitrogen
    3. Argon
    4. Helium
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  4. Question 4

    Which of the following metals is used in Space Crafts to withstand high temperatures?
    1. Fe
    2. Ti
    3. Ni
    4. Pb
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  5. Question 5

    Brass is an alloy of:
    1. Lead and tin
    2. Zinc and copper
    3. Antimony, tin and lead
    4. Zinc, tin and copper
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  6. Question 6

    The material used in solar cells contains:
    1. Tin
    2. Silicon
    3. Caesium
    4. Thallium
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  7. Question 7

    The wire of flash bulb is made of:
    1. Copper
    2. Barium
    3. Magnesium
    4. Silver
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  8. Question 8

    The manufacture of iron from iron ore involves the process of:
    1. oxidation
    2. reduction
    3. fractional distillation
    4. electrolysis
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  9. Question 9

    Cinnabar is an ore/mineral of:
    1. Lead
    2. Manganese
    3. Molybdenum
    4. Mercury
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  10. Question 10

    What is the process of melting also called?
    1. Fusion
    2. Galvanisation
    3. Crystallisation
    4. Evaporation
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  11. Question 11

    During Galvanization, which metal is used for coating iron and steel objects, preventing them from rusting?
    1. Zinc
    2. Copper
    3. Aluminium
    4. Bronze
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  12. Question 12

    Solder is an alloy of which of the following metals?
    1. Lead and mercury
    2. Lead and antimony
    3. Lead and copper
    4. Lead and tin
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  13. Question 13

    Which of the following is a major component of German silver?
    1. Tin
    2. Copper
    3. Silver
    4. Chlorine
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  14. Question 14

    Electric bulbs are filled with:
    1. Nitrogen
    2. Carbon dioxide
    3. Argon
    4. Oxygen
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  15. Question 15

    The purest form of Iron is:
    1. Cast iron
    2. Steel
    3. Pig iron
    4. Wrought iron
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  16. Question 16

    Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps?
    1. Sodium
    2. Neon
    3. Hydrogen
    4. Nitrogen
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  17. Question 17

    Water of Paris is made up of:
    1. Marble
    2. Cement
    3. Gypsum
    4. Limestone
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  18. Question 18

    Which one of the following fuels causes minimum environmental pollution?
    1. Diesel
    2. Coal
    3. Hydrogen
    4. Kerosene
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  19. Question 19

    Which one of the following metals does not form amalgam?
    1. Zinc
    2. Copper
    3. Magnesium
    4. Iron
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  20. Question 20

    Yellow cake, an item of smuggling across border is:
    1. a crude form of heroin
    2. a crude form of cocaine
    3. uranium oxide
    4. unrefined gold
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