JEE Main Chemistry question

Not in JEE Main or NEET syllabus

An alloy of Na+K is:

(A)Liquid at room temperature
(B)Used in specially designed thermometers
(C)Both (A) and (B)Correct
(D)None of the above

Answer: (C)

Solution

The sodium–potassium (NaK) alloy has a notably low melting point, making it liquid at room temperature (A, true), and this liquid-metal property, together with good thermal conductivity, is exploited in specially

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Question ID VK-137946