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What is laughing gas ?

  • nitrous oxide
  • nitric oxide
  • nitrogen oxide
  • nitrogen peroxide
Similar Questions :

1. Washing soda is ?

  • sodium sulphite
  • sodium bicarbonate
  • sodiun carbonate
  • sodium biosulphite

2. Who is regarded as father of modern chemistry ?

  • Ruterford
  • Einstein
  • Lavoisier
  • C.V. Raman

3. Which one of the following gas is readily soluble in water at room temperature ?

  • chlorine
  • nitrogen
  • ammonia
  • carbon dioxide

4. Air contains maximum amount of

  • oxygen
  • nitrogen
  • hydrogen
  • carbon dioxide

5. Enzymes are

  • Fatty acids
  • Carbohydrates
  • Nucleic acids
  • Proteins
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