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Question Detail

Which gas is used in fire extinguishers ?

  • Carbon dioxide
  • Nitrogen oxide
  • Carbon monoxide
  • Sulpher dioxide

Answer: Option A

Similar Questions :

1. The most abundant rare gas in the atmosphere is ?

  • He
  • Ne
  • Ar
  • Xe

Answer: Option C

2. The ejection of electrons when a metal surface is irradiated is known as

  • Black body radiation
  • Photoelectric effect
  • Zeeman effect
  • Atomic spectrum

Answer: Option B

3. What is a mixture of potassium nitrate powdered charcoal and sulphur called?

  • paint
  • aluminium
  • brass
  • gun powder

Answer: Option D

Explanation:

gun powder is the mixture of potassium nitrate powdered charcoal and sulphur.

4. The major component used in preparation of different types of glasses is :

  • Sodium borate
  • Sodium silicate
  • Silica
  • Calcium silicate

Answer: Option C

5. Natural rubber is a polymer derived from ?

  • ethylene
  • propylene
  • isoprene
  • butadiene

Answer: Option C

Read more from - Chemistry Questions Answers
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