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Matter in our Surroundings
Q.5: What is the physical state of water at:
(a)- The room temperature is about 20-25 degrees centigrade. The water exists in a liquid state at room temperature. So, at 25⁰C, the physical state of water is liquid.
(b)- The water freezes at 0⁰C. This means that at 0⁰C, water converts into solid. So, the physical state of water at 0⁰C is solid.
(c)- The boiling point of water is 100⁰C. This means that at this temperature, water starts evaporating. So, both liquid and gaseous states of water exist at this temperature.
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