Practice test

Resource, fibre and man made substance - Test Set 5

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

    Which of the following is the ore of lead?
    1. Pyrolusite
    2. Bauxite
    3. Galena
    4. Lemonite
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  2. Question 2

    Which of the following is NOT a non-ferrous metallic mineral?
    1. Mica
    2. Copper
    3. Bauxite
    4. Lead
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  3. Question 3

    Muscovite, Pegmatite and Biotite are ores of:
    1. Copper
    2. Zinc
    3. Mica
    4. Iron
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  4. Question 4

    Malachite is an ore of _______________ ?
    1. copper
    2. manganese
    3. magnesium
    4. mercury
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  5. Question 5

    Aluminium metal is only extracted by the following:
    1. Reduction
    2. Oxidation
    3. Neutralization
    4. Electrolysis
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  6. Question 6

    The fibers, such as nylon and polyester, that are made from chemical substances are called:
    1. Natural fibres
    2. Wool
    3. Synthetic fibres
    4. Silk
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  7. Question 7

    Which of the following is used in plastics?
    1. Butane
    2. Ethylene
    3. Krypton
    4. Ammonia
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  8. Question 8

    Which of the following is an example of man-made fibre?
    1. Linen
    2. Jute
    3. Rayon
    4. Silk
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  9. Question 9

    Synthetic fibers catches fires easily, however the uniform of fireman have a coating of ___________ plastic to make them flame resistance.
    1. Nylon
    2. Melamine
    3. Rayon
    4. Acrylic
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  10. Question 10

    Bakelite is a?
    1. Insulator
    2. Semiconductor
    3. high resistor driver
    4. low resistor driver
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  11. Question 11

    Multi-use plastic water bottles are made of ___________ ?
    1. Bakelite
    2. Polystyrene
    3. silicon
    4. polyethylene
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  12. Question 12

    Which paste is applied to the non-sticking vessel?
    1. Velcro
    2. Oil
    3. Teflon
    4. Polystyrene
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  13. Question 13

    Teflan is used in cooking equipment in a non-stick coating, used in the electronic industry due to its insulation characteristic in wiring etc., is a polymer containing carbon ______ Bonding is involved.
    1. chloride
    2. fluoride
    3. bromide
    4. iodide
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  14. Question 14

    __________ Polymer is used in making floor tiles.
    1. carbonyl
    2. Teflon
    3. Nylon
    4. Polyvinyl chloride
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  15. Question 15

    ____________ is not a thermoplastic polymer.
    1. Polyvinyl chloride (PVC)
    2. Teflon
    3. Bakelite
    4. Polystein
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  16. Question 16

    PVC stands for -
    1. Polyvinyl chlorate
    2. Polyvinyl carbon
    3. Polyvinyl carbonate
    4. Polyvinyl chloride
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  17. Question 17

    ____________ is avoided by coating the conductor
    wire with PVC.
    1. dripping
    2. overloading
    3. short circuit
    4. fusing
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  18. Question 18

    Soaps having long series of __________ contains sodium or potassium salts?
    1. alcohol
    2. ester
    3. aldehyde
    4. carboxylic acid
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  19. Question 19

    Soap is produced -
    1. Alkali action with glycerol
    2. fat soluble hydroxide
    3. Actions of calcium and magnesium ions
    4. Dodecyl benzene reacted with H2SO4 and then with NaOH
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  20. Question 20

    What is the general formula of soap?
    1. RCOOMg
    2. RCOONa
    3. RCOOCa
    4. RCOOCI
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