Question

give two uses for each of the following :
a) coal
b) coke
c) wood charcoal
d) sugar charcoal
e)bone charcoal
f) lampblack​

Answer 1

Answer:

a) coal is used for domestic fuel and in steam engine trains.

b) coke is used to make paint.

c) wood charcoal is used to make natural black colour and for cosmetics.

d) sugar charcoal is used in cooking.

e) bone charcoal is used to make kitchen utensils.

f) lampblack is used to make lubricating oil

Answer 2

Answer:

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.

Sugar charcoal is used to prepare artificial diamonds. When heated strongly at high temperature (3000 °C-3500 °C) and high pressure, it is converted into an artificial diamond. It is used as a reducing agent in the process of extraction of metals. It can also be used as a decolourising agent, and as a reducing agent.

Uses of Bone charcoal: It is extensively used to decolourise cane sugar in the process of manufacturing sugar. It is also used in the manufacture of a large number of phosphorous compounds.

Currently lampblack is used as a black pigment in cements, ceramics, inks, Linoleum, crayons, shoe polishes, and Carbon paper.

Explanation:

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