Question

which of the following is correct match

Column-1
Good conductor of electricity
Food preservative
Allotrope of carbon
Manufacture of ammonia


column 2
(p) Hydrogen
(9) Nitrogen
(1) Copper
(s) Graphite​

Answer 1

Answer:

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Good conductor of electricity - Copper

Food preservative - Hydrogen

Allotrope of carbon - Graphite

Manufacture of ammonia - Nitrogen

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