Answers

2016-04-09T15:36:09+05:30
Water is liquid at room temperature as the liquification point of water is less than that of the room temperature.so the water melts in the room temperature forming liquid water
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2016-04-10T16:11:47+05:30
Water turns into ice at 0 degrees Celsius at sea level. 
At temperatures higher than that, it is in liquid form.

The average room temperature is 20 to 30 degrees Celsius. This is much greater than the melting point of ice, so water is in liquid state at room temperature.
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