(a) Fossil fuels are ____________, ____________, and ____________ .

• Fossil fuels , Coal, Petroleum

• Air , Coal, Petroleum, and natural gas

• Coal, Petroleum, and natural gas

Tags

NGSS.MS-ESS2-1

Least polluting fuel for a vehicle is ______________ .

• Compressed Natural Gas.

• (CNG)

• Coal

Tick True/False against the following statements.

(a) Fossil fuels can be made in the laboratory.

• 
• 

Tags

NGSS.MS-PS1-3

CNG is more polluting fuel than petrol.

• 
• 

Tags

NGSS.MS-ESS3-3

Coke is the almost pure form of carbon.

• 
• 

Tags

NGSS.MS-PS1-1

Coal tar is a mixture of various substances.

• 
• 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-3

Kerosene is not a fossil fuel. - True or False

Name some renewable sources of energy.

• Water

• Coal

Tags

NGSS.MS-ESS2-4

Name the elements present in coal.

• Carbon, oxygen and sulphur.

• Carbon ,Hydrogen , Nitrogen

Tags

NGSS.MS-PS1-1

Minerals are

• Natural resources

• Inexhaustible natural resources

• Exhaustible natural resources

• All of these