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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

Similar Questions :

1. Which one is an organic Acid ?

  • Sulphuric
  • Citric
  • Nitric
  • Phosphoric

Answer: Option B

2. Bleaching action of chlorine is by

  • decomposition
  • hydrolysis
  • reduction
  • oxidation

Answer: Option A

3. The metal used to recover copper from a solution of copper sulphate is ?

  • Na
  • Ag
  • Hg
  • Fe

Answer: Option D

4. What nucleus of atom contains ?

  • protons
  • electrons
  • electrons and protons
  • protons and neutrons

Answer: Option D

5. Which gas is filled in refrigerators ?

  • Chlorofluorocarbon
  • Acetylene
  • Methane
  • Butane

Answer: Option A

Read more from - Chemistry Questions Answers
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