Catalysts MCQ (Multiple Choice Questions) PDF Download

The elements which are good catalysts and can change their oxidation number are

1. transition elements
2. Nobel gases
3. alkalis
4. acidic

Process in which catalyst has a different phase to a reaction mixture, this process is known as

1. homogeneous catalysis
2. heterogeneous catalysis
3. hypergeneous catalyst
4. hypogenous catalyst

Changes in oxidation number of ions which are involved in catalysis are done in

1. homogeneous catalysis
2. heterogeneous catalysis
3. hypergeneous catalyst
4. hypogenous catalyst

Nickel is good at

1. adsorption only
2. chemisorptions only
3. desorption
4. adsorption and chemisorptions

In Haber process bonds between ammonia and iron surface weaken and break during

1. adsorption
2. chemisorptions
3. desorption
4. none of above