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Subject :IMO    Class : Class 7

The melting point of mercury is -39°c. The freezing point of alcohol is -98°c. How much more is the melting point of mercury as compared to the freezing point of alcohol?

(a) -137 °C

(b) 137 °C

(c) -59 °C

(d) 59 °C

Ans 1:

Class : Class 6

Ans 2:

Class : Class 9
Option D is correct as mercury melting temperature is higher than that of freezing point of alcohol. The difference should be in positive not negative.

Ans 3:

Class : Class 9

Ans 4:

Class : Class 8

Ans 5:

Class : Class 10

Ans 6:

Class : Class 8
Correct ans should be D)

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