give additional Question for Chemistry chapter 1 science class 9
amit1957:
why is heat energy required to melt a solid? answer the interparticle distance between the particles in a solid is there is small the particles in solid are held together to buy storage force attraction heat energy is needed to overcome these force of attraction and to get the particles from each other
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Question 1 - what are the two ways to change the physical state of matter.answer. pressure and temperature
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