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Liquefied oxygen at 1 atmosphere is heat...

Liquefied oxygen at 1 atmosphere is heated from 50 K to 300 K by supplying heat at a constant rate. The graph that correctly shows the relationship between temperature and time is :

A

B

C

D

Text Solution

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The correct Answer is:
C
Temperature of liquid oxygen will first increase till boiling point.
Then phase change will take place from liquid to gas during which temperature remain same. After this temperature of gaseous oxygen will further increase. All this is correctly shown by graph (c)
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