Question

Q8: Give reasons to justify
a) Wood is solid
b) Water is liquid at room temperature​

Answer 1

Answer:

a) Wood is a solid because it has a fixed shape and volume, and it is rigid and cannot be compressed.

b)  This is because of the tiny, weak hydrogen bonds which, in their billions, hold water molecules together for small fractions of a second. Water molecules are constantly on the move.

Answer 2

Answer:

a) Wood is a solid because it has a fixed shape and volume, and it is rigid and cannot be compressed.

b) At room temperature (anywhere from zero degree centigrade to 100 degrees centigrade), water is found in a liquid state. This is because of the tiny, weak hydrogen bonds which, in their billions, hold water molecules together for small fractions of a second. Water molecules are constantly on the move.

Explanation:

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