Question:
Mention a few minerals and their uses.
Answer:
Gold, silver and platinum are used in the jewellery industry.
Copper is used in the coin industry and for making pipes and wires.
Silicon obtained from quartz is used in the computer industry.
Aluminium obtained from bauxite ore is used in automobiles and airplanes, bottling industry, buildings and even in kitchen cookware.
Mineral and Power Resources
Q 1.
Write the advantages and dis ¬advantages of non-conventional sources of energy.
Q 3.
Give five ways in which you can save energy at home.
Q 4.
What are the two main classifications of power resources?
Q 6.
Name and describe briefly methods of extraction.
Q 7.
Why are petroleum and its derivatives called "black gold"?
Q 8.
Name two regions rich in natural gas resources.
Q 9.
Distinguish between Ferrous and nonferrous minerals
Q 10.
How are mineral extracted from earth?
Q 11.
Distinguish between Biogas and natural gas
Q 12.
Give Reason for Environmental aspects must be carefully looked into before building huge dams.
Q 14.
Which was the first country to develop hydroelectricity ?
Q 15.
Differentiate between a rock and an ore.
Q 16.
What is natural gas?
Q 17.
Mention a few minerals and their uses.
Q 20.
Distinguish between Metallic and non-metallic minerals
Q 21.
What is an ore? Where are the ores of metallic minerals generally located?
Q 23.
Name some important hydel power stations in India.
Q 24.
Why are petroleum and its derivatives called "black gold"?
Q 25.
Why are minerals considered non-renewable?
Q 26.
Why is coal called "buried sunshine"?
Q 27.
Name two areas in Australia, which have large deposits of gold.
Q 28.
Write common uses of minerals.
Q 29.
Distinguish between Conventional and non conventional sources of energy
Q 30.
Name two minerals in whose production India contributes a significant part.
Q 31.
Name and describe briefly methods of extraction.
Q 32.
What are the classifications of minerals?
Q 33.
Pick the Correct Asnwer
(a) Which one of the following is NOT a characteristic of minerals?
(i) They are created by natural processes
(ii) They have a definite chemical composition
(iii) They are inexhaustible
(iv) Their distribution is uneven
(b) Which one of the following is NOT a producer of mica?
(i) Jharkhand (ii) Karnataka (iii) Rajasthan (iv) Andhra Pradesh
(c) Which one of the following is a leading producer of copper in the world?
(i) Bolivia (ii) Ghana (iii) Chile (iv) Zimbabwe
(d) Which one of the following practices will NOT conserve LPG in your kitchen?
(i) Soaking the dal for some time before cooking it
(ii) Cooking food in a pressure cooker
(iii) Keeping the vegetables chopped before lighting the gas for cooking
(iv) Cooking food in an open pan kept on low flame
Q 34.
Name the different rocks that minerals occur in?
Q 35.
In which industry is silicon important? From which ore is it obtained?
Q 36.
Write a brief note on salt.
Q 37.
What is Hydel power?
Q 38.
Where are minerals found?
Q 39.
Give reason for Petroleum is referred to as “black gold”.
Q 40.
Quarrying can become a major environmental concern.
Q 41.
Name the leading tin producers in Asia.
Q 42.
Tick the correct answer.
(i) Which one of the following is not a characteristic of minerals?
(a) They are created by natural processes.
(b) They have a definite chemical composition.
(c) They are inexhaustible.
(d) Their distribution is uneven.
(ii) Which one of the following is not a producer of mica?
(a) Jharkhand (b) Karnataka
(c) Rajasthan (d) Andhra Pradesh
(iii) Which one of the following is a leading producer of copper in the world?
(a) Bolivia (b) Ghana
(c) Chile (d) Zimbabwe
(iv) Which one of the following practices will not conserve LPG in your kitchen?
(a) Soaking the dal for some time before cooking it.
(b) Cooking food in a pressure cooker.
(c) Keeping the vegetables chopped before lighting the gas for cooking.
(d) Cooking food in an open pan kept on low flame.
Q 43.
Name and describe some non- conventional sources of energy.
Q 44.
How is hydroelectricity, produced?
Q 45.
Match the items given in Column I correctly with those given in Column II.
Q 46.
Name nuclear power stations in India.
Q 47.
Write common uses of minerals.
Q 48.
Which sources of energy would you suggest for (a) rural areas (b) coastal areas (c) Arid Regions?
Q 49.
Describe the mineral distribution in North America.
Q 50.
Give a brief note on mining.
