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Standard VII

Chemistry

Charcoal

is the purest...

Question

is the purest form of amorphous carbon.

Wood charcoal

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Sugar charcoal

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Bone charcoal

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Solution

The correct option is B Sugar charcoal
Sugar charcoal is the purest form of amorphous carbon. It is prepared by heating cane-sugar or glucose in the absence of air. It can also be prepared by dehydration of cane-sugar or glucose in the presence of sulphuric acid.

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Similar questions

Q. Coke and charcoal are amorphous forms of carbon.

Q. ________ charcoal is the purest form of carbon.

Choose the correct alternative :

(a) Anthracite is

(i) an inferior type of coal

(ii) a superior type of coal

(iii) the cheapest form of coal

(iv) none of the above

(b) Destructive distillation of coal yields

(i) coal tar

(ii) coal gas

(iii) coke

(iv) all of the above

(i) an amorphous form of carbon

(ii) a crystalline form of carbon

(iii) a pure form of carbon

(iv) a cluster of carbon atoms

(d) The process by which decayed plants slowly convert into coal is called

(i) petrification

(ii) carbonisation

(iii) carbonification

(iv) fermentation

(e) The purest form of the amorphous carbon is

(i) wood charcoal

(ii) sugar charcoal

(iii) bone charcoal

(iv) lamp black

Q. The purest form of carbon is?

Q. Which of the following is a purest form of charcoal?

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is the purest form of amorphous carbon.

The correct option is B Sugar charcoalSugar charcoal is the purest form of amorphous carbon. It is prepared by heating cane-sugar or glucose in the absence of air. It can also be prepared by dehydration of cane-sugar or glucose in the presence of sulphuric acid.

The correct option is B Sugar charcoal
Sugar charcoal is the purest form of amorphous carbon. It is prepared by heating cane-sugar or glucose in the absence of air. It can also be prepared by dehydration of cane-sugar or glucose in the presence of sulphuric acid.