Class 10 Chemistry MCQs – Practice Test 1 (Chapter 7)

Environmental Chemistry II Water MCQs with Answers PDF Download – Test 1

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Learn Environmental chemistry ii water Multiple Choice Questions (MCQs) with Answers PDF (Environmental Chemistry II Water MCQs PDF e-Book) download Ch. 7-1 to study Class 10 Chemistry Course. Learn Environmental Chemistry II Water Quiz Questions and Answers to study distance learning courses. Download the Environmental Chemistry II Water MCQs App: Free Class 10 Chemistry MCQs App to properties of water, water pollution, types of hardness of water test prep for distance learning.

"Environmental Chemistry II Water MCQs" App Download [Free] with MCQ: Ratio of hydrogen (H) and oxygen (O) in water molecule by volume is; with answers: 0.043055556, 0.084027778, 0.125694444, and 0.167361111 to study distance learning courses. Solve Properties of Water MCQ Questions, download Google e-Book (Free Chapter) for online courses.

Environmental Chemistry II Water MCQs – Practice Test 1 PDF Download

MCQ 1: The ratio of hydrogen (H) and oxygen (O) in water molecule by volume is:

0.084027778
0.043055556
0.125694444
0.167361111

MCQ 2: What is the fourth step of raw water treatment?

sedimentation
coagulation
filtration
chlorination

MCQ 3: The hardness that cannot be removed by boiling is called:

temporary hardness
permanent hardness
semi temporary hardness
semi permanent hardness

MCQ 4: The density of water becomes maximum at:

10 °C
4 °C
5 °C
12 °C

MCQ 5: 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

Class 10 Chemistry MCQs App & e-Book – Environmental Chemistry II Water Study Guide

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Environmental Chemistry II Water MCQs

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