COAL AND PETROLEUM

Which of the following is a form of carbon?

• graphite

• coke

• charcoal

• coal

Different varieties of coal differ in their

• moisture

• volatile nature

• carbon content

• number of hydrogen atoms

Which of the following forms of energy is environmental friendly?

• coal

• petroleum

• wind

• peat

The percent of carbon present in bituminous and anthracite are

• 65, 96

• 96, 65

• 65, 35

• 96, 35

___________ is the residue left after destructive distillation of coal.

• peat

• lignite

• bituminous

• coke

Mark the correct statement.

• fossil fuels can be made in laboratory

• CNG is more polluting than petrol

• petroleum is a mixture of various oxides of carbon

• none of these

Which of the following products is not obtained from fossil fuels?

• coal

• coal tar

• coal gas

• wood

CNG is used to make fertilisers.

• true

• false

These days __________ is being used in vehicles in place of petrol and diesel.

• LPG

• coal gas

• CNG

• coke

Read the following statements and choose the correct ones.

a) coal and petroleum are fossil fuels.

b) coke is used as reducing agent for extracting metals.

c) fossil fuels are present in excess quantity.

• a and b

• b and c

• a and c

• a, b and c