Question

Answer the following questions.
(i) Name any three common minerals used by you everyday.
(ii) What is an ore? Where are the ores of metallic minerals generally located?
(iii) Name two regions rich in natural gas resources.
(iv) Which sources of energy would you suggest for
(a) Rural areas
(b) Coastal areas
(c) Arid regions
(v) Give five ways in which you can save energy at home.

Answer 1

Answer:

• Three common minerals used by me are:- 1) Iron, 2) zinc, 3) Potash

• Ore is the raw minerals which are directly extracted from mines. Generally, ores of the minerals are located in mines.

• Two regions which are rich in the natural gas resource are Russia and the United Kingdom.

• For rural areas, solar energy is best to be used as the source of power.

• For coastal areas, the source of energy can be the use of windmills.

• For arid region also solar power is best suitable.

• Five ways in which we can save energy at home are:

i)  Put off fans and light when not in use.

ii) Try to be in a common room, instead of being everyone in separate rooms.

iii) Do not use AC when it is not too hot.

iv) Make use of Led lights instead of high powered old bulbs.

v) Update electrical gadgets and well maintain them, for reducing the excess power consumption

Answer 2

Answer:

(i) Salt, bauxite and iron are the three common minerals used every day.

(ii) An ore is a profitable mineral which is extracted from a rock. Metallic mineral ores are obtained from metamorphic rocks and igneous rocks.

(iii) The regions which are rich in natural gas resources are Bombay High and Krishna-Godavarai Delta  

(iv)  

(a) Rural areas - Biogas is the best option

(b) Coastal areas - Energy created using tide

(c) Arid regions - Solar energy

(v)-

(a) Save electric energy by controlling the usage of TV, light, fan etc

(b) For cooking use pressure cooker

(c) Minimum usage of AC

(d) Controlled usage of refrigerator

(e) Low usage of Gas cylinder