Name the following:
Formation of coal from matter under the earth at high temperature and pressure.

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Solution

Formation of coal from matter under the earth at high temperature and pressure is known as Carbonization.

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Under which of the following conditions applied together, a gas deviates most from the ideal hevaviour?

(a) Low pressure (b) High pressure

Q. Complete the passage based on the formation of coal.

About 300 million years ago, the Earth had dense (1) ____________ in low lying wetland areas. Due to natural processes, these forests got buried under the (2)_________. Under high (3)____________ and high (4)________, dead plants got slowly converted into coal. The slow process of conversion of dead vegetation into coal is known as (5)_____________.

temperature, coalification, pressure, soil, forest

Under high temperature and pressure, dead plants get slowly converted to coal.

Coal is a fossil fuel and it cannot be prepared in a laboratory or industry because the formation of coal:
A. Is a very slow process
B. Needs very low pressure and low temperature
C. Needs very high pressure and high temperature
D. Causes air pollution
Select the correct statement.

Q. Which of the following conditions will favour the maximum formation of the product in the reaction:

A_{2}

(g) +

B_{2}

(g)

⇌

X_{2}

(g)

△_{r}

H= -X kJ

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Name the following:Formation of coal from matter under the earth at high temperature and pressure.

Formation of coal from matter under the earth at high temperature and pressure is known as Carbonization.

Name the following:
Formation of coal from matter under the earth at high temperature and pressure.