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Give two uses for each of the following:(a) coal(b) coke(c) wood charcoal(d) sugar charcoal(e) bone charcoal(f) lampblack |
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Answer» (a) Uses of coal • It is used as both a domestic and an industrial fuel. • It is used to prepare coke, coal gas and coal tar. (b) Uses of coke • Coke is used as a smokeless fuel, in smelting furnaces. • It is used in the manufacturing of water and producer gas. (c) Uses of wood charcoal: • Wood charcoal is used as a fuel. • It is an important constituent of gunpowder. (d) Sugar charcoal: • Sugar charcoal is mostly used as a reducing agent. • It is used to decolorize colored solutions. (e) Bone charcoal: • It is extensively used to decolorize cane-sugar in the process of manufacturing sugar. • It is also used in the manufacture of a large number of phosphorous compounds. (f) Uses of lampblack: • It is used in making black shoe polish. • It is used in the manufacture of tires and gunpowder. |
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