Question Detail

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. Which metal is heaviest ?

osmium
mercury
iron
nickle

Answer: Option A

2. What nucleus of atom contains ?

protons
electrons
electrons and protons
protons and neutrons

Answer: Option D

3. The nuclear particles which are assumed to hold the nucleons together are ?

positrons
neutrons
electrons
mesons

Answer: Option D

4. The chemical used as a fixer in photography is ?

sodium thiosulphate
sodium sulphate
borax
ammonium sulphate

Answer: Option A

5. Iodine can be separated from a mixture of Iodine and Potassium Chloride by ?

Filtration
Sublimation
Distillation
Sedimentation

Answer: Option B

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