Multiple choice

Among the following -------------------------- is used in the manufacturing of paper.

  1. barium peroxide

  2. barium sulphide

  3. barium sulphite

  4. yttrium barium copper oxide

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Barium sulphite is the barium salt of sulphurous acid with the chemical formula BaSO3. It is a white powder which is used in paper manufacturing. Like other barium compounds, it is toxic.