Coal

Q.

Coal is one of the primary fossil fuels. Identify the element that is the major constituent of coal.

1. Carbon

2. Hydrogen

3. Oxygen

4. Nitrogen

Q.

Which of the following is/are a type of coal?

1. Anthracite
2. Bituminous
3. Sub-bituminous
4. Peat​
5. Lignite

1. 1, 2, 3 and 4

2. 1 and 4

3. 4

4. 2 and 3

Q.

Anthracite has the least carbon content.

1. Hot regions

2. Hot spots

Q. ___ is a fossil fuel present below the earth and is formed from plants trapped underground many years back.

1. None of these
2. Coal
3. Natural gas
4. Bio gas

Q.

Match the Column
DIRECTIONS: Match Column-I with Colum –II and select the correct answer using the codes given below the columns.
$\begin{array}{cccc}& \text{Column-1}& & \text{Column-II}\\ \text{A.}& \text{Peat}& \text{P.}& >85\%\text{carbon}\\ \text{B.}& \text{Lignite}& \text{Q.}& (35-85)\%\text{carbon}\\ \text{C.}& \text{Anthracite}& \text{R.}& (25-35)\%\text{carbon}\\ \text{D.}& \text{Bituminous}& \text{S.}& <25\%\text{carbon}\end{array}$

1. $A\to R,B\to S,C\to P,D\to Q$

2. $A\to R,B\to S,C\to Q,D\to P$

3. $A\to S,B\to R,C\to P,D\to Q$

4. $A\to S,B\to R,C\to Q,D\to P$

Q. Write the characteristics and some important uses of coal.

Q. The distribution of coal deposits is uniform in the earths’ crust.

1. True
2. False

Q.

Which of the following are the types of coal?

1. all the above

2. availability of special grade silicon for making cells is limited

3. entire process of manufacturing is very expensive

4. efficiency is low

Q.

What fuel comes from the remains of 300-million-year-old decayed fern plants?

1. Natural Gas

2. Oil

3. Gasoline

4. Coal

Q. Heating of coal in the absence of air is called distillation.

1. carbonised
2. fractional
3. destructive