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 for chemistry analytical thinking development. Free Environmental Chemistry II Water MCQs App: Download the Class 10 Chemistry Study App to properties of water, water pollution, types of hardness of water test prep for chemistry digital educational resources.

Free "Environmental Chemistry II Water MCQs" App Download 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 for chemistry analytical thinking development. Solve Properties of Water MCQ Questions, download Google e-Book (Free Chapter) to increase chemistry educational access.

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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