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Q6. Give two reasons to justify –

(a) Water at room temperature is a liquid.

(b) An iron almirah is a solid at room temperature.

Answer :

(a) Water at room temperature is a liquid because it follows all the properties of liquid and its boiling and freezing points are 100°C and 0°C respectively.

(b) An iron almirah is a solid at room temperature because he melting points of iron are as high as 1538°C which is higher than room temperature.