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A catalyst is a substance which

  • increases the activation energy
  • increases the rate of reaction and increases the equilibrium concentration of products
  • changes the equilibrium of a reaction so that the concentration of the product increases
  • hastens the attainment of equilibrium

Answer: Option D

Similar Questions :

1. What is the chemical name of table salt ?

  • Sodium nitrate
  • Ammonium chloride
  • Sodium chloride
  • Calcium chloride

Answer: Option C

2. What is laughing gas ?

  • nitrous oxide
  • nitric oxide
  • nitrogen oxide
  • nitrogen peroxide

Answer: Option A

3. What nucleus of atom contains ?

  • protons
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  • electrons and protons
  • protons and neutrons

Answer: Option D

4. The most abundant element in the earth's crust is ?

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  • Silicon
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Answer: Option D

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  • sodium thiosulphate
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Answer: Option C

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