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Byju's Answer

Standard XII

Biology

Categories of Air Pollutants

I : Charcoal ...

Question

I : Charcoal : : Coal : II
I. [A] Fuel [B] Fire [C] Wood [D] Blank
II. [P] Ash [Q] Coke [R] Smoke [S] Fire

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Solution

The correct option is D CQ
Second is obtained from the first.

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Similar questions

Which one of the following is not a fossil fuel ?
(a) petrol (b) coke (c) charcoal (d) coal

Give two uses for each of the following :

(a) coal

(b) coke

(d) sugar charcoal

(e) bone charcoal

(f) lamp black

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 fuel having the lowest calorific value is:

(a) coal
(b) wood
(c) charcoal
(d) kerosene

Q. Wood, charcoal, cow dung cakes, coal are examples of
(a) liquid fuels
(b) gaseous fuels
(c) solid fuels
(d) none of these

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I : Charcoal : : Coal : II I. [A] Fuel [B] Fire [C] Wood [D] Blank II. [P] Ash [Q] Coke [R] Smoke [S] Fire

The correct option is D CQSecond is obtained from the first.

I : Charcoal : : Coal : II
I. [A] Fuel [B] Fire [C] Wood [D] Blank
II. [P] Ash [Q] Coke [R] Smoke [S] Fire

The correct option is D CQ
Second is obtained from the first.