Question

Long answer type
11. When a solid melts, its temperature remains the same,
so where does the heat energy go ?
12. Discuss the significance of the boiling point of a liquid.
13. Explain the interconversion of states of matter.
14. What is sublimation ? What type of substances
undergo sublimation ?
15. (a) The graph shows the heating curve for a pure
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Answer 1

bro, this will be in your own book!
ask some logical questions not these!
See your NCERT .