Wax is heated in a china dish. How will the following change during heating– (i) kinetic energy of particle (ii) inter particle distance (b) Melting points of three substances A, B, C are 52°C, 175°C and 80°C. Arrange them in the decreasing order of the interparticle force of attraction in each of them. Give reason for your answer.
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As wax is heated, particles gain heat energy and kinetic energy of particles increases. (b) inter particles distance: As wax is heated , particles gain heat energy and thus increase internal energy of system and particles overcome the force of attraction. And changes the state to liquid
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