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 defined 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 (c) Rajasthan
(b) Karnataka (d) Andhra Pradesh
(iii) Which one of the following is leading producer of cooper in the world?
(a) Bolvia (b) Chile (c) Ghana (c) 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.
Distinguish between the followings:
(i) Conventional and non-conventional sources of energy
(ii) Biogas and natural gas
(iii) Ferrous and non-ferrous minerals
(iv) Metallic and non-metallic
