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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. What is extracted from Bauxite ?

  • Mica
  • Aluminium
  • Copper
  • Tin

Answer: Option B

2. The gas used for artificial ripening of green fruit is ?

  • ethane
  • ethylene
  • carbon dioxide
  • acetylene

Answer: Option B

3. The isotope atoms differ in ?

  • number of neutrons
  • atomic number
  • number of electrons
  • atomic weight

Answer: Option A

Explanation:

Important to note that isotope atoms have same atomic number.

4. Nail polish remover contains ?

  • benzene
  • acetic acid
  • acetone
  • petroleum ether

Answer: Option C

5. Why is phosphorus kept under water ?

  • to make it wet
  • to make it durable
  • water forms a protective coating on it
  • to save it from catching fire when exposed to dry air

Answer: Option D

Read more from - Chemistry Questions Answers
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