Coal and Petroleum Test

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Coal and Petroleum Test - 2

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following statements are correct?

(I) Coal, petroleum and natural gas are called fossil fuels.
(II) Coal and natural gas are exhaustible substances.
(III) CNG is more polluting than petrol.
(IV) Coke is used in the manufacture of steel.

A
I and II only

B
II and IV only

C
I, III and IV only

D
I, II and IV only
Question 2
1 / -0

When air is passed through red hot coke, a gaseous fuel is produced. The name of this gaseous fuel and its composition are respectively

A
Natural gas, CO+H₂

B
Producer gas, N₂+CO

C
Water gas, H₂+CO

D
None of these.
Question 3
1 / -0

Destructive distillation of coal is carried out by heating coal strongly to 1000^∘C in the absence of air. The various useful products obtained are

A
Crude oil, kerosene, naphtha and heavy oil

B
Coke, coal gas, coal tar and ammonium compounds

C
Coal gas, petroleum gas and lignite

D
None of these.
Question 4
1 / -0

Few statements are given below. Identify the incorrect statements and mark the appropriate option.

(i) in fractional distillation of petroleum, hydrocarbon with lowest boiling point condenses first.
(ii) Useful substances obtained from petroleum and natural gas are termed as 'Petrochemicals'.
(iii) Coke is used in the extraction of many metals.
(iv) Paraffin wax used in candles, vaseline, grease, polish is obtained by destructive distillation of coal.

A
(i) and (ii)

B
(i) and (iv)

C
(i), (ii) and (iii)

D
(ii) and (iv)

Solution

In fractional distillation of petroleum, hydrocarbon with highest boiling point condenses first. Paraffin wax is obtained by fractional distillation of crude oil or petroleum.
Question 5
1 / -0

In the oil wells, X forms the topmost layer, followed by Y and finally Z. X, Y and Z are respectively

A
Natural gas, oil and water

B
Petroleum gas, oil and natural gas

C
Natural gas, water and oil

D
Petroleum gas, oil and water.

Solution

In oil wells, the layers containing petroleum oil and gas are above that of water, because oil and gas are lighter than water and do not mix with it,
Question 6
1 / -0

Read the given passage and fill in the blanks by choosing an appropriate option.

The process of conversion of wood into coal is called ___i___. There are three main varieties of coal which vary in their carbon content. ___ii___ has upto 96 per cent of carbon, ___iii___ has about 65 per cent carbon while ___iv___ has about 38 per cent carbon.

A

(i) (ii) (iii) (iv)

Destructive distillation Lignite Anthracite Bituminous coal

B

(i) (ii) (iii) (iv)

Carbonisation Anthracite Lignite Bituminous coal

C

(i) (ii) (iii) (iv)

Carbonisation Anthracite Bituminous coal Lignite

D

(i) (ii) (iii) (iv)

Destructive distillation Bituminous coal Anthracite Lignite
Question 7
1 / -0

In fractionating column, various fractions are obtained at various heights of the column. As the vapours reach at a height where temperature is equal to or just below the boiling point of that fraction, it will

A
Condense to form a liquid

B
Remain in gaseous state

C
Condense to form a solid

D
Escape from the column.
Question 8
1 / -0

Select the incorrect statements among the following:

(i) Bitumen is used for metalling the roads.
(ii) Some inexhaustible natural resources like coal, petroleum and natural gas formed from the dead remains of living organisms are known as fossil fuels.
(iii) Many useful substances are obtained from coal (commercial importance), so it is also called as 'Black gold'.
(iv) Natural gas is used as a starting material for the manufacture of a number of chemicals and fertilisers.

A
(i) and (ii) only

B
(ii) and (iii) only

C
(ii) and (iv) only

D
(i), (ii) and (iv) only

Solution

Coal, petroleum and natural gas are exhaustible natural resources as they are limited in nature and can be exhausted by human activities. Petroleum is called 'Black gold' because of its great commercial importance.
Question 9
1 / -0

Which of the following represents the correct decreasing order of boiling points of the given liquids.

A
Paraffin wax > Diesel > Kerosene > Petrol

B
Diesel > Kerosene > Petrol > Paraffin wax

C
Kerosene > Petrol > Paraffin wax > Diesel

D
Petrol > Paraffin wax > Diesel > Kerosene
Question 10
1 / -0

Different components of petroleum are separated by fractional distillation. What is the correct sequence of fractions obtained in the fractionating column from top to bottom?

A
Petroleum gas, lubricating oil, kerosene, gasoline.

B
Kerosene, petroleum gas, lubricating oil, gasoline.

C
Petroleum gas, gasoline, kerosene, lubricating oil.

D
Gasoline, kerosene, petroleum gas, lubricating oil.

Solution

Order of boiling points of different components of petroleum are as follows: Petroleum gas < Gasoline < Kerosene < Lubricating oil The component having lowest boiling point i.e., highly volatile (difficult to condense) will be obtained at the top of the fractionating column and the component having higher boiling point i.e., less volatile (tends to condense more easily) will be obtained

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(i)	(ii)	(iii)	(iv)
Destructive distillation	Lignite	Anthracite	Bituminous coal

Coal and Petroleum Test - 2

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Coal and Petroleum Test - 2

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Question 1

I and II only

II and IV only

I, III and IV only

I, II and IV only

Question 2

Natural gas, CO+H2

Producer gas, N2+CO

Water gas, H2+CO

None of these.

Question 3

Crude oil, kerosene, naphtha and heavy oil

Coke, coal gas, coal tar and ammonium compounds

Coal gas, petroleum gas and lignite

None of these.

Question 4

(i) and (ii)

(i) and (iv)

(i), (ii) and (iii)

(ii) and (iv)

Solution

Question 5

Natural gas, oil and water

Petroleum gas, oil and natural gas

Natural gas, water and oil

Petroleum gas, oil and water.

Solution

Question 6

(i) (ii) (iii) (iv) Destructive distillation Lignite Anthracite Bituminous coal

(i) (ii) (iii) (iv) Carbonisation Anthracite Lignite Bituminous coal

(i) (ii) (iii) (iv) Carbonisation Anthracite Bituminous coal Lignite

(i) (ii) (iii) (iv) Destructive distillation Bituminous coal Anthracite Lignite

Question 7

Condense to form a liquid

Remain in gaseous state

Condense to form a solid

Escape from the column.

Question 8

(i) and (ii) only

(ii) and (iii) only

(ii) and (iv) only

(i), (ii) and (iv) only

Solution

Question 9

Paraffin wax > Diesel > Kerosene > Petrol

Diesel > Kerosene > Petrol > Paraffin wax

Kerosene > Petrol > Paraffin wax > Diesel

Petrol > Paraffin wax > Diesel > Kerosene

Question 10

Petroleum gas, lubricating oil, kerosene, gasoline.

Kerosene, petroleum gas, lubricating oil, gasoline.

Petroleum gas, gasoline, kerosene, lubricating oil.

Gasoline, kerosene, petroleum gas, lubricating oil.

Solution

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Natural gas, CO+H₂

Producer gas, N₂+CO

Water gas, H₂+CO

(i) (ii) (iii) (iv)

Destructive distillation Lignite Anthracite Bituminous coal

(i) (ii) (iii) (iv)

Carbonisation Anthracite Lignite Bituminous coal

(i) (ii) (iii) (iv)

Carbonisation Anthracite Bituminous coal Lignite

(i) (ii) (iii) (iv)

Destructive distillation Bituminous coal Anthracite Lignite