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Answer:
1. When ice is heated at room temperature it changes to liquid. If further heated to 100 degree Celsius it changes to vapour.
2. It is a specific temperature after which when heated the solid changes to liquid.
3. It is the minimum temperature at which a liquid changes to vapour.
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Answer:
1. If ice (a solid) is heated it changes to water (a liquid). This change is called MELTING. If water is heated, it changes to steam (a gas).
2. Melting point is a characteristic property of solid crystalline substance. It is the temperature at which the solid phase changes to the liquid phase. This phenomenon occurs when the substance is heated
3. boiling point, temperature at which the pressure exerted by the surroundings upon a liquid is equaled by the pressure exerted by the vapour of the liquid; under this condition, addition of heat results in the transformation of the liquid into its vapour without raising the temperature
4. Parameters which affect melting point are: Ionic Bonds. Intermolecular Forces. Shape of Molecules.
5. Ammonium Chloride is white solid on heating it sublimes and Naphthalene balls are the two examples of substance that sublimes. Sugar and salt are both solvents, as is water.
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