Q8 of 35 Page 133

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What is a catalyst? Write any one reaction which is brought about by use of catalyst?

Catalyst is a substance that causes a chemical reaction to occur but is not itself involved in the reaction.

Example: formation of ammonia


N2 + 3H2→ 2NH3


Catalyst used is iron and molybednum.


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8

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Give any four functional groups containing oxygen as the heteroatom in it. Write name and structural formula of one example each.

 8

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Give names of three functional groups containing three different hetero atoms.


Write name and structural formula of one example each.

 8

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Give names of three natural polymers. Write the place of their occurance and names of monomers from which they are formed.

 8

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What is meant by vinegar and gashol? What are their uses?