Question

Why do most of the thermometers involve the use of mercury only? Can we

use some other element instead of mercury? Justify​

Answer 1

Answer:

as mercury is an element in the liquid state which is a metal and thus can expand on heat

Explanation:

Answer 2

Answer:

We use mercury because of following reasons.

• It is opaque so, easily visible
• It is a kind of substance that expands on heating.

We can also use alcohol in thermometers as it also expands on heating and has a high boiling point and a very low freezing point.

HOPE IT IS HELPFUL.