Question

Advantages of mercury include:

• A. It is opaque therefore, apt readings can be taken.
• B. It slides easily on glass
• C. It is less dense than water
• D. It is transparent

Answer 1

Answer: (A), (B)

The correct options are
A

It is opaque therefore, apt readings can be taken.

B

It slides easily on glass

There are various advantages of using mercury in barometers because:
1. It has high density which means the height of the column can be a reasonable size to measure atmospheric pressure.
2. It is opaque therefore,apt readings can be taken.
3. It slides easily on glass