MPSC PYQScienceAcid, Base and Saltenglish
Bleaching powder is used for sterilisation of water. How does sterilisation occur ? (a) Chlorine gas (b) Hypochlorous acid (c) Neonatal oxygen (d) Carbon dioxide Answer Options :
A.a, b and c
B.a, b and d
C.b, c and d
D.a, b, c and d
Correct answer: A