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Fill in the blanks : (a) Boiling occurs at ___ (b) Evaporation takes place at ___ (c) The molecules of liquid ___ heat from surroundings in evaporation. (d) Heat is ___ during boiling. (e) Cooling is produced in ___ (f) A longer rod expands ___ than a shorter rod on being heated to the same temperature. (g) Liquids expand ___ than the solids. (h) Gases expand ___ than the liquids. (i) Alcohol expands ___ than water. (j) Iron expands ___ than copper. |
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Answer» Fill in the blanks : (a) Boiling occurs at (b) Evaporation takes place at (c) The molecules of liquid (d) Heat is (e) Cooling is produced in (f) A longer rod expands (g) Liquids expand (h) Gases expand (i) Alcohol expands (j) Iron expands |
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