Column I | Column II |
A non-metal, essential for respiration | (i) Graphite |
A non-metal, the source of energy in Sun | (ii) Silicon |
A non-metal, good conductor of electricity | (iii) Oxygen |
A non-metal, used in semiconductors | (iv) Hydrogen |
A) (a) - (iii), (b) - (iv), (c) - (i), (d) - (ii)
B) (a) - (i), (b) - (ii), (c) - (iv), (d) - (iii)
C) (a) - (ii), (b) - (iii), (c) - (i), (d) - (iv)
D) (a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)
Correct Answer: A
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