state gov Bihar SSC (BSSC) Inter Level Mock Test 2024 - 25 General Science Chemistry Chemistry in Everyday Life
Which of the following is NOT a use of washing soda?
1
It can be used as a cleaning agent for domestic purposes.
2
It is used in glass, soap and paper industries
3
It is used for removing permanent hardness of water.
4
It is used to make drinking water free from germs.