Coal

Q. Which of the following are the uses of coke?

1. It is used in the manufacturing of electrodes.
2. It is used in the extraction of iron.
3. It is used in the manufacture of ink.
4. It is used as a filler for rubber.

Q.

Which one is not an allotrope of carbon?

1. Diamond

2. Soot

3. Graphite

4. Fullerene

Q.

The slow process of conversion of dead organic matter into coal is called ___

Q. Coke and charcoal are amorphous forms of carbon.

1. False
2. True

Q.

Rahul is burning coal in a closed room. Which of the following gases are most likely to be produced?

1. Methane
2. Carbon monoxide
3. Carbon dioxide
4. Nitrogen dioxide

Q.

Name the product(s) formed on heating coal in the absence of air.

Q.

Mahima was looking at one of the sample kept in type of coal display. One of the sample intrigued her very much. It looked "brownish-black organic material and almost looked like decayed wood". Could you help her identify the sample?

1. Lignite
2. Tar
3. Bituminous
4. Peat

Q. What are the important uses of coke?

Q.

how is coke obtained from coal?state three important usesof coke??

Q. Which of the following are the different types of coal?

1. Peat
2. Lignite
3. Bituminous
4. Anthracite

Q. _______ is formed by the carbonisation of dead vegetation.

1. Coal
2. Coke
3. Coal gas
4. Coal tar

Q. Identify A, B, C, and D in the following flowchart:

1. A: Coke; B: $CO$​; ​C: $H_2$; D: ${CO}_2$

2. A: Graphite; B: $H_2$; ​C: $CO$; D: ${CO}_2$

3. A: Graphite; B: $O_2$; ​ C: ${CO}_2$; D: $CO$​​

4. A: Coke; B: ${CO}_2$; ​C: $H_{2}O$; D: $CO$​