Which of the following chemicals is commonly utilized to disinfect water?

Environmental Chemistry MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Environmental Chemistrychemistry-mcqs › environmental-chemistry
Published
17 Mar 2019
Last updated
28 May 2026

Browse all Environmental Chemistry MCQs

Choose the correct answer

Explanation

Potassium permanganate (KMnO4) is widely used as a disinfectant in water treatment due to its strong oxidizing properties. While alums and ozone also have roles in water purification, KMnO4 is specifically recognized for its disinfecting capability.

PakQuizHub — free MCQs and past papers for Pakistan government job tests. Content is for educational practice only.