Catalyst Past Year (2019 onward - NTA Papers) MCQs Surface Chemistry (OLD NCERT) Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Which one is an example of heterogeneous catalysis?

1.	Combination between dinitrogen and dihydrogen to form ammonia in the presence of finely divided iron.
2.	Oxidation of sulphur dioxide into sulphur trioxide in the presence of oxides of nitrogen.
3.	Hydrolysis of sugar catalysed by H⁺ ions.
4.	Decomposition of ozone in presence of nitrogen monoxide.

Subtopic: Catalyst |

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The incorrect statement regarding enzymes is:

1.	Enzymes are very specific for a particle reaction and substrate.
2.	Enzymes are biocatalysts.
3.	Like chemical catalysts, enzymes reduce the activation energy of bio processes.
4.	Enzymes are polysaccharides.

Subtopic: Catalyst |

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