Class 12

19. General principles and processes of isolation of elements question bank (Chemistry)

Practice 1,512 free Class 12 Chemistry - 19. General principles and processes of isolation of elements questions with answers and step-by-step solutions.

Q1.

Which element is found in free state?

(A)
Iodine
(B)
Sulphur
(C)
Phosphorus
(D)
Magnesium
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Q2.

Naturally occurring substances from which a metal can be profitably (or economically) extracted are called

(A)
Minerals
(B)
Ores
(C)
Gangue
(D)
Salts
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