Question

$Al_2(SO_4)_3$ is used in the following but not

• A. As a coagulant in treating drinking water and sewage
• B. In plastics industry
• C. As a mordant in dyeing
• D. In paper industry

Answer 1

Answer: (B)

In plastics industry

Answer 2

$Al _{2}\left( SO _{4}\right)_{3}$ is not used in plastic industry.