11. The melting point of a substance is the constant temperature when :
(a) the solid starts melting
(c) only liquid is present
(b) the solid is completely changed into liquid
(d) both solid and liquid exist together
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Answered by
2
Answer:
the solid gains kinetic energy and consequently rises in temperature as heat is added. At the melting point, the heat added is used to break the attractive intermolecular forces of the solid instead of increasing kinetic energy, and therefore the temperature remains constant.
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Answered by
3
Answer:
a) Solid starts melting
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