Question

Choose the correct statement(s) regarding Beryllium:

• A. $BeC{O}_3$ is used as an ingredient in toothpaste.
• B. Metallic beryllium is used for making windows of X-ray tubes.
• C. Cu-Be alloys are used in the preparation of high strength springs.
• D. It is used in the manufacture of alloys.

Answer 1

Answer: (B), (C), (D)

It is used in the manufacture of alloys.

Uses of Beryllium:
It is used in the manufacture of alloys.
Cu-Be alloys are used in the preparation of high strength springs.
Metallic beryllium is used for making windows of X-ray tubes.
Magnesium Carbonate $MgC{O}_3$ is used as an ingredient in toothpaste.
So (a) , (b) and (c) are correct.