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  • Question
  • The substance which makes natural rubber more strong and bouncy?


  • Options
  • A. Chlorine
  • B. Sulphur
  • C. Sponge
  • D. Polythene

  • Correct Answer
  • Sulphur 

    Explanation

    Sulfur vulcanisation is a chemical process for converting natural rubber or related polymers into more durable materials by heating them with sulfur. By this they achieve improved elasticity, resilience, tensile strength, viscosity, hardness and weather resistance.

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    General Science problems


    Search Results


    • 1. Cosmetic powders are prepared from

    • Options
    • A. Talc
    • B. Serpentine
    • C. Asbestos
    • D. Gypsum
    • Discuss
    • 2. Which of the following foods does not support bacterial growth?

    • Options
    • A. Raw carrots
    • B. Sauted onions
    • C. Refried beans
    • D. Cooked rice
    • Discuss
    • 3. Which of the following is likely during vigorous exercise?

    • Options
    • A. Blood flow to the kidneys increases.
    • B. capillaries of the active muscles will be engorged with blood.
    • C. The skin will be cold and clammy.
    • D. Blood will be diverted to the digestive organs.
    • Discuss
    • 4. What about Earth allows it to maintain bodies of water?

    • Options
    • A. mountains
    • B. tides
    • C. moderate tempatures
    • D. comet crashes
    • Discuss
    • 5. How many Teaspoons in a Tablespoon?

    • Options
    • A. 4
    • B. 5
    • C. 2
    • D. 3
    • Discuss
    • 6. The outermost layer of the sun is called

    • Options
    • A. Corona
    • B. Chromosphere
    • C. Radiative Zone
    • D. Transition Region
    • Discuss
    • 7. Which is faster Light or Sound?

    • Options
    • A. Light
    • B. Sound
    • C. Both are same
    • D. Can't be determined
    • Discuss
    • 8. Antibiotics are mostly obtained from

    • Options
    • A. Viruses
    • B. Fungi
    • C. Bacteria
    • D. Angiosperms
    • Discuss
    • 9. Ozone holes are more pronounced at the

    • Options
    • A. Tropic of cancer
    • B. Poles
    • C. Equator
    • D. Tropic of capricorn
    • Discuss
    • 10. How do cancer cells differ from normal cells?
    • Discuss


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