Question

name any five usedul substances ​

Answer 1

Answer:

Those chemicals which are obtained from petroleum and natural gas are called petrochemicals. For Ex:Methyl alcohol,ethyl alcohol,formaldehyde,acetone,acetic acid,ethylene,benzene,toluene,vinyl chloride etc.

Explanation:

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Answer 2

Answer:

Many useful substances are obtained from petroleum and natural gas. These are termed as ‘Petrochemicals’. These are used in the manufacture of detergents, fibres (polyester, nylon, acrylic etc.), polythene and other man-made plastics. Hydrogen gas obtained from natural gas, is used in the production of fertilisers (urea).

Explanation:

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