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Question-1
Which one of the following is hazardous to health?

(A) Salt	(B) Dissolved Calcium Carbonate
(C) Iron	(D) Lead

Question-2
Where we found natural gas resources in India?

(A) Uttar pradesh	(B) Bihar
(C) Mumbai	(D) Jammu and kashmir

Question-3
Which one of the following is responsible for generating thermal power?

(A) National Thermal Power Corporation	(B) National Hydro-Electric Power Corporation
(C) Bhabha Atomic Research Centre	(D) Power Grid Corporation

Question-4
A hard,black and compact coal is:

(A) Anthracite	(B) Lignite
(C) Bituminous	(D) Sederite

Question-5
Which is found mainly in the tropical and subtropical areas?

(A) Bauxite	(B) Ilmenite
(C) Haematite	(D) Galena

Question-6
Which one of the following may occur in association with petroleum?

(A) Copper	(B) Tin
(C) Natural gas	(D) Lignite

Question-7
Which continent is the largest producer of iron?

(A) Asia	(B) Europe
(C) North America	(D) Australia

Question-8
Which one of the following trapped from the Sun can be used in solar cells to produce electricity?

(A) Solar energy	(B) Wind energy
(C) Nuclear power	(D) Hydroelectric power

Question-9
Which one of the following constitutes about 65% of the total electricity generated in India?

(A) Solar energy	(B) Wind energy
(C) Hydroelectric power	(D) Thermal power

Question-10
Which is a red coloured ore?

(A) Magnetite	(B) Haematite
(C) Limonite	(D) Siderite

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Std 8

CBSE

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