Question

Give two reasons to justify— (a) Water at room temperature is a liquid. (b) an iron almirah is a solid at room temperature.​

Answer 1

Answer:

(a). Water at room temperature does not have a fixed shape but flows to take the shape of the container. Hence, water at room temperature is a liquid.

(b) An iron almirah is a solid at room temperature because its melting point as well as boiling point is above room temperature.

Answer 2

Answer:

Water at room temperature is a liquid because it boils at 373 K and the room temperature is nearly 20 °C−25 °C

The solidification point is 0°C

It will remain in a liquid state.

It does not have a definite shape but has a definite volume at room temperature.

So these are properties of a liquid state.

(b) An iron almirah is a solid at room temperature because it has a definite shape and definite volume.

2) So the properties mentioned are satisfied by the solid-state only.

Explanation:

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