At room temperature a student sets up the apparatus to determine the melting point of ice. He takes a beaker half filled with ice and dips a thermometer in it. what are the correct observation?
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At room temperature a student sets up the apparatus to determine the melting point of ice. He takes a beaker half filled with ice and dips a mercury thermometer in it. The correct observation is : (a) Mercury in the thermometer keeps on falling till it reads —1°C, it remains constant thereafter.
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