potassium permanganate is used for purifying water because?

پوٹاشیم پرمینگیٹ پانی کو صاف کرنے کے لیے کس وجہ سے استعمال ہوتا ہے؟

It is a sterlizing agent

It dissolves the impurities of water

It is a reducing agent

It is an oxidizing agent

Potassium permanganate is an inorganic chemical compound and it is a strong oxidizing agent