NTA Abhyas NEET2020Chemistryp Block Elements (Group 13 & 14)Practice
A l 2 ( S O 4 ) 3 is used in the following but not
Options
- Aas a coagulant in treating drinking water and sewage
- Bin plastic industry
- Cas a mordant in dyeing
- Dboth C and D
Correct answer
B. in plastic industry
Step-by-step solution
Aluminium sulphate is mainly used a coagulating agent in purification of drinking water and waste water treatment, as mordant in dying and printing textile and also used in calico printing and sizing of paper industry.