Question

1. What is the best variety of coal?
2. What is the purest variety of coal?
3. What is inferior variety of coal?

Define?
1.Bone black
2. Adsorption
3. Carbonization

Answer 1

hi genius
here is your answer

1) best variety of coal is anthracite(+90% carbon)

2) purest variety of coal is coke (99% carbon)

3) inferior quality of coal is peat

__ DEFINITION ___

BLACK BONE :- black one is form of charcoal which is produced by heating of bone Limited amount of air

ADSORPTION :- adsorption is the process in which gas molecule get accumulated all over surface of absorbent without going to bulk of substance

CARBONISATION :- conversion of organic substance into carbon for a carbon containing
residue through destructive distillation.

may this helps you...
☺☺

Answer 2

Here are your answers

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1. What is the best variety of coal?

=> Anthracite is the best variety of coal.
Anthracite is contain of 90 % carbon.
Anthracite is also the purest coal.

2. What is the purest variety of coal?

=> Anthracite is also the purest variety of coal.
it is contains of the 97 % carbon.

3. What is inferior variety of coal?

=> peat is the inferior variety of coal
it contains the 30 To 35 % carbon.

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< DEFINATION >

1. BONE BLACK

=> The form of charcoal produced by the heating of the bone which limited the amount of water is called the bone black.

2. ABSORPTION

=> The type of process in which the gas molecules are accumulated through the surface of the absorbent is called the Absorption.

3. CARBONIZATION

=> The conversion of the organic substance into the carbon is called the CARBONIZATION

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