Multiple choice The aquariums are disinfected by potassium peroxymonosulphate potassium permanganate peracetic acid ozone Reveal answer Fill a bubble to check yourself B Correct answer Explanation It is utilised to disinfect aquariums and is also mainly employed in it. It is used to disinfect aquariums and is also widely used in public swimming pools to disinfect people's feet before using the pool.