Class 10 Chemistry MCQs – Certification Test 47

Water Pollution MCQ (Question 47) – App & e-Book Download

Download eBook:

Water Pollution e-Book with MCQ – Google Book

Water Pollution iBook with MCQ – Apple Book

Water Pollution e-Book with MCQ – Kobo Book

Apps:

Download Water Pollution MCQ App for iOS

MCQ 47: Step of sewage water treatment in which sewage is placed in tanks and aerated with large blowers is called:

primary sewage treatment
secondary sewage treatment
activated sludge treatment
chlorination

Previous MCQ

Next MCQ

Class 10 Chemistry MCQ App & e-Book – Water Pollution Certification Guide

Alcohols MCQs

Chemistry: Salts MCQs

Vitamin and Mineral MCQs

Layers of Atmosphere MCQs

Meteorology MCQs

Vitamin Facts MCQs

Chemistry MCQs for Class 10 MCQs

Chemistry: pH Scale MCQs

DNA Structure MCQs

Free Water Pollution Textbook App – Download from Play & App Store

The App: Water Pollution MCQ App to Study Water Pollution Notes, 10th Grade Chemistry MCQ App, and 9th Grade Chemistry MCQ App for chemistry online educational growth.

The "Water Pollution MCQ" App: Free 10th Grade Chemistry MCQ App Download (iOS & Android) to strengthen chemistry skills. Download App Store & Play Store Learning Apps with all functionalities to build chemistry educational confidence.