16. GREEN CHEMISTRY AND NANOCHEMISTRY Textbook Solution
3. Answer the following
viii. Define catalyst. Give two examples.
Answer:-
A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process.
i. In the contact process of industrial production of sulfuric acid; sulphur dioxide and oxygen from the air react reversibly over a solid catalyst of platinised asbestos. ii. Hydrogenation with nickel as a catalyst is used to convert inedible oils into solid fat for the production of margarine.
16. GREEN CHEMISTRY AND NANOCHEMISTRY Class 12 Chemistry Textbook Solution page 352
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