Alum is a chemical that is used in water treatment plants .It helps
By-----------------------------------------------------------
a) Filtering the water and removing the larger particles.
b) Killing the bacteria and viruses present in dirty water
c) Attracting fine dust particles in water and making them settle down
d) Adding some special chemicals to water that improves its taste
please answer fast i will mark you brainliest
Answers
Answered by
4
Answer:
answer will be b
Explanation:
because alum kill all the bacteria
Answered by
1
Answer:
a) filtering the water and removing the larger particles
Similar questions