Question

Give two reasons to justify-
(a) water at room temperature is a liquid.
(b) an iron almirah is a solid at room temperature.
effective in cooling than wat
K​

Answer 1

Answer:

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Explanation:

a) . Water at room temperature exists as liquid because its melting point is below room temperature while boiling point (100º C) is above room temperature.

b). An iron almirah is a solid at room temperature because its melting point as well as boiling point is above room temperature. ... Hence, iron almirah is a solid at room temperature. 7. Why is ice at 273 K more effective in cooling than water at the same temperature?

Answer 2

Answer:

Answer: (a) water at room temperature is liquid because at this temperature (i)it has fixed volume and (ii)it can flow. (B) An iron almirah is solid at room temperature because at this temperature (i) it has definite shape along with fixed volume and (ii) It can not flow like water and hence does not possess fluidity.

Explanation:

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