Question

Question 6. 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) Transition in the states of matter of water occurs at 0°C and 100°C. At room temperature, water

is in the liquid state, thereby exhibiting all the properties of a liquid such as

Water flows at this temperature

It has a fixed volume and it takes the shape of its container

(b) The melting and boiling points of iron are as high as 1538°C and 2862°C respectively. The room

temperature is about 20-25 °C. Hence iron almirah is a solid at room temperature.

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Answer 2

Answer:

a. water at room temperature is a liquid because in the day our room is not cool due to the sunlight and at the night our room is not that much cool that the water will convert in solid. therefore, water in the room temperature is liquid.