Graphite

Q. Graphite on heating with oxygen produces _______.

1. Carbon monoxide
2. Nitrogen dioxide
3. Carbon dioxide
4. Hydrogen peroxide

Q.

Is chlorine a good conductor of heat and electricity?

Q. Graphite is a good conductor of electricity because it has:

1. free moving electrons
2. no electrons
3. non moving electrons
4. free moving protons

Q. Choose the correct option regarding the statements given below:

Statement 1 : Graphite is used in dry cells that are present in electric motors.
Statement 2 : Graphite is a bad conductor of heat.

1. Statement 1 and statement 2 are true.
2. Statement 1 and statement 2 are false.
3. Statement 1 is true but statement 2 is false.
4. Statement 1 is false but statement is true.

Q.

Which allotrope of carbon is also called a solid lubricant?

1. Diamond

2. Graphite

3. Graphene

4. Coal

Q.

Some Non-metals are used in water purification. (True / False)

1. True
2. False

Q.

Draw diagrams of the following.

structure of diamond

Q.

Is Chlorine A Good Conductor?

Q.

Mention some of the uses of diamond.

Q. Which of the following option(s) are characteristic of a graphite?

1. It cannot conduct electricity.
2. It is grey in colour.
3. It is hard.
4. It is lustrous.

Q.

Which of the following is not a property of graphite?

1. It is very hard

2. It is a good conductor of electricity

3. It has a metallic lusture.

4. It is grey in colour

Q. What is the difference between chiral carbon and an anomeric carbon

Q.

Which of the following conditions are required for the formation of diamond?

1. Very high temperature and pressure

2. Very high temperature, but a very low pressure

3. Very low temperature, but a very high pressure

4. Very low temperature and pressure

Q. Diamond and graphite burn, to give out:

1. carbon
2. carbon monoxide
3. carbon dioxide
4. oxygen