1.

Discuss three importance uses of (i) Graphite (ii) Wood Charcoal (iii) Carbon monoxide (iv) Sugar charcoal (v) Bone charcoal (vi) Carbon dioxide (vii) Methane.

Answer» (i) Lead of pencils, moderator in nuclear reactors, marking refractory crucibles.
(ii) Deodrant and disinfectant , gas masks, fuel for keeping rooms warm in winter .
(iii) Reducing agent in the extraction of metals, manufacture of chemicals , fuel.
(iv) Extracting metals from their oxides, adsorbent material, making artificial diamonds.
(v) Removes colour from sugarcane juice, extraction , of yellow phosphorous, fertilizer industries.
(vi) Soft drinks or aerated drinks, fire extiguishers, production of industrial compounds.
(vii) Fuel, parent hydrocarbon for halogenations reactions, water gas preparation.


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