Question

Distinguish between the followings.

(i) Conventional and non conventional sources of energy
(ii) Biogas and natural gas
(iii) Ferrous and nonferrous minerals
(iv) Metallic and nonmetallic minerals​

Answer 1

Answer:

here is your answer

Explanation:

1.The main difference between conventional and non conventional sources of energy is that the former is non renewable and the later is renewable. Note: The conventional sources of energy are fossil fuel, CNG, coal, oil, natural gas. ... Non-conventional sources of energy are alternatives to fossil fuels.

2.The gaseous fuel formed from the conversion of organic waste such as dead plant, animal material, animal dung and kitchen waste is called biogas

3.

Answer 2

Question :

Distinguish between the following :

• Conventional and non-conventional sources of energy.
• Biogas and natural gas
• Ferrous and non-ferrous minerals
• Metallic and non-metallic minerals

Answer :

• Conventional and non-conventional sources of energy :

»» Conventional sources of energy :

»» These are the sources of energy which have been in common use for a long time.

»» They are exhaustible and cause large scale pollution.

»» Examples : Fossil fuels etc.

»» Non-conventional sources of energy :

»» These are the alternative sources of energy which are not commonly used.

»» They are inexhaustible and environment friendly.

»» Examples : Solar energy etc.

• Biogas and natural gas :

»» Biogas :

»» It is obtained by the decomposition of organic metter like kitchen wastes etc.

»» It is a renewable source but causes pollution.

»» It is used for domestic purposes like lightning.

»» Natural gas :

»» It is obtained as a by-product during the extraction of petroleum.

»» It is a non-renewable source and environment friendly.

»» It is used for domestic purposes, industrial purposes and as a fuel to run vehicles.

• Ferrous and non-ferrous minerals :

»» Ferrous minerals :

»» Ferrous minerals contain iron in them.

»» Examples : Iron ore etc.

»» Non-ferrous minerals :

»» Non-ferrous minerals do not contain iron in them.

»» Examples : Silver etc.

• Metallic and non-metallic minerals :

»» Metallic minerals :

»» A mineral containing metal in raw form is called a metallic mineral.

»» Examples : Bauxite etc.

»» Non-metallic minerals :

»» A mineral that does not contain metal is called a non-metallic mineral.

»» Examples : Gypsum etc.