Gujarat Board Class 10 Solution Social Science Chapter 12 India : Minerals and Energy Resources Exercise Solution here in this Post.
Board |
GSEB Gujarat State |
Textbook |
10 Class |
Medium |
English |
Subject |
Social Science |
Chapter |
12 |
Chapter Name |
India : Minerals and Energy Resources |
Gujarat Board Class 10 Social Science Chapter 12 India : Minerals and Energy Resources Solution:
(1) Answer the following questions in details.
(i) Give a detail information about mineral oil.
Ans: (a) Mineral oil is found in the stratified rock strata containing lime stone in ancient times.
(b) Animals and vegetation were buried in the interior of the earth and were convert into hydro carbons.
(c) This form was in liquid form. Tectonic movements the layers of these forms were elevated toward the surface.
(d) In 1866, first oil well was dug in Assam to find out oil.
(e) After mineral oil was obtained from mukum in 1867.
(f) More oil fields were also locate in different parts of India.
(g) Oil of India divide in five zones – North-East, Gujarat, Bombay high, Eastern coast, Rajasthan.
(ii) State the remedies of preserve the minerals.
Ans: (a) If proper technology is used to obtained the minerals, the wastage of minerals can be reduced, use proper technology.
(b) Recycling – crap like minerals like Iron, copper, aluminum and tin reused.
(c) Alternate use of mineral – alternate option for these minerals
(d) Solar energy instead of electricity, aluminum instead of copper, CNG instead of petrol.
(e) The non-conventional sources like water, solar wind, bio-gas etc. be used increasingly.
(f) Maintain purity of environment and gift the clean environment to the future generation.
(g) Made pollution fresh environment.
(h) After reserved the minerals it used for long period by planning it properly.
(iii) Write about electricity in brief.
Ans: (a) Electricity is used for Industry.
(b) Electricity is used for domestic purpose.
(c) In industry electricity is used for run the machines, transportation.
(d) Electricity like fans, television, radio, washing machines, Refrigerators, Tube light, Mixer.
(2) Answer the following questions point wise.
(i) State the uses of limestone.
Ans: (a) Limestone is used for larger quantity in production of cement.
(b) It s used for Iron melting, chemical industry.
(c) Limestone is used for soda ash, soap, color chemicals, building construction.
(d) It is used for paper and in sugar refining.
(ii) State about mica.
Ans: (a) India ranks first in the world in mica production.
(b) It is used in making electrical goods, electric, motors, dynamo, radio, telephone, cars, steamers etc.
(c) Bihar, Jharkhand, Andhra Pradesh and Rajasthan are major production of mica.
(d) Mica is also found in Karnataka, west Bengal and Tamil Nadu.
(iii) Mention the utility of copper.
Ans : (a) Copper is first mineral used by man.
(b) It is more important because of it’s mixing property.
(c) It forms bell metal when mix with Tin and makes Brass when mix with zinc.
(d) It is used making of electric equipment like telephone, radio, television, refrigerator.
(e) It is used in insecticides, color glass, coins and in printing.
(iv) Write about the classification of minerals :
Ans:
(a) Minerals : The matter which is formed due to inorganic process and has a certain chemical composition is called mineral.
(b) Minerals classified as : (1) metallic minerals. (2) Non-metallic minerals. (3) Minerals used as energy resources.
(c) Gold, silver are metallic minerals.
(d) Non-metallic minerals like time stone, Asbestos, Mica, gypsum sulphur.
(3) Answer the following questions in brief :
(i) Modern age is known as mineral age – why ?
Ans: (a) Minerals have a large role in human progress.
(b) Man’s relation with minerals is very old and strong.
(c) Minerals of backbone of economical development of any nation.
(d) U.S. and Russia have become world powers proper use of minerals.
(e) These country rich in variety of minerals and prosperity we say that modern age is mineral age.
(ii) Why there is an increase in the usage of non-conventional energy today?
Ans: Conventional source are non renewable source of energy. It means resources like coal minerals oil are available in limited quantity. So it conserve for long time wind energy, solar energy, bio-gas, tidal energy are alternate resources. These are all renewable energy resources.
(iii) State the major places where iron is available.
Ans : Maximum iron are obtain from Karnataka state in India. Jharkhand, Orissa, Chhattisgarh, Andhra Pradesh. Iron found in Goa, Rajasthan, Tamil Nadu, Maharashtra, Madhya Pradesh, Kerala, Uttar Pradesh and Assam states.
(iv) Which states in India produce manganese ?
Ans: Odisha, Karnataka, Madhya Pradesh, Goa are count as major states of manganese production. Manganese obtain from Andhra Pradesh, Jharkhand, Rajasthan and Gujarat states.
(4) Select the correct option from the given for the following questions and write answer.
(i) A school in Palanpur wants to show a bio-gas plant to its student of std. which nearest place will it select?
Ans: Methan
(ii) Some officers from Government of India want to visit Gujarat to survey the possibility of using the government energy in future in Gujarat which place they should avoid?
Ans: Saputara
(iii) Match the correct pairs and find the answer.
(a) Silver platinum | (1) A mineral of common use. |
(b) Magnesium titanium | (2) A mineral used in mixed from. |
(c) Lead, nickel | (3) Precious metallic mineral |
(d) Tungsten, vanadium | (4) Light metallic mineral. |
Ans: (a – 3), (b – 4), (c – 1), (d – 2)