| (i) Mercury is easily available in pure form. |
| (ii) Mercury is opaque. |
| (iii) Mercury has a constant coefficient of expansion. |
A) Only (i) and (ii)
B) Only (ii) and (iii)
C) Only (i) and (iii)
D) (i), (ii) and (iii)
Correct Answer: D
Solution :
Mercury is easily available in pure form and is opaque. Apart from that, mercury expands uniformly at all temperatures, hence it can help us to measure temperature accurately.
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