Question

Choose the incorrect statement regarding Beryllium :

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

Answer 1

The correct option is D $BeC{O}_3$ is an ingredient of toothpaste.

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.
$MgC{O}_3$ is used as an ingredient in toothpaste.
So (d) is incorrect.