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Boiling

The normal bo...

Question

The normal boiling point of liquid hydrogen is $- 253^{\circ} C$ . What is the corresponding temperature on absolute scale?

A

22 K

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B

20 K

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C

274 K

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D

- 20 K

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Solution

The correct option is B $20 K$
$K = T e m p e r a t u r e i n^{o} C + 273$
$= - 253 + 273 K$
$= 20 K$

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