IGCSE A Level Chemistry Online Tests
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Catalysts MCQs: Questions and Answers PDF Download
The elements which are good catalysts and can change their oxidation number are
- transition elements
- Nobel gases
- alkalis
- acidic
Process in which catalyst has a different phase to a reaction mixture, this process is known as
- homogeneous catalysis
- heterogeneous catalysis
- hypergeneous catalyst
- hypogenous catalyst
Changes in oxidation number of ions which are involved in catalysis are done in
- homogeneous catalysis
- heterogeneous catalysis
- hypergeneous catalyst
- hypogenous catalyst
Nickel is good at
- adsorption only
- chemisorptions only
- desorption
- adsorption and chemisorptions
In Haber process bonds between ammonia and iron surface weaken and break during
- adsorption
- chemisorptions
- desorption
- none of above
IGCSE A Level Chemistry Practice Tests
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