Low temperature oxidation of coal during storage does not decrease its__________________?

Question: Blast furnace coke is made from coal by
[A].

low temperature carbonisation.

[B].

high temperature carbonisation.

[C].

medium temperature carbonisation.

[D].

heating the coal in an oven in presence of air.

Answer: Option B

Explanation:

No answer description available for this question.

Question: Benzol is used
[A].

as a motor fuel blend.

[B].

for producing benzene, tolune & xylene by its distillation.

[C].

both (a) & (b).

[D].

neither (a) nor (b).

Answer: Option C

Explanation:

No answer description available for this question.

Question: In general, the limit of inflammability/explosion limit of fuel gases is widened by the
[A].

increase in gas pressure.

[B].

increase in temperature (i.e. preheating).

[C].

use of pure oxygen for combustion instead of air.

[D].

all (a), (b) & (c).

Answer: Option D

Explanation:

No answer description available for this question.