Class 10 Chemistry Certification MCQs – Practice Test 3 (Chapter 7)

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The "Environmental Chemistry II Water Quiz" App [Free] iOS & Android with MCQ: Temporary hardness of water is caused due to the presence of dissolved; with answers: magnesium hydrogen carbonates only, calcium hydrogen carbonates only, sulphates and chlorides of calcium or magnesium, and calcium hydrogen carbonates and magnesium hydrogen carbonates to learn online high school courses. Study Types of Hardness of Water MCQ Questions, download Google Book (Free Chapter) for taking online classes.

Environmental Chemistry II Water Quiz – Practice Test 3 PDF Download

MCQ 11: Temporary hardness of water is caused due to the presence of dissolved:

calcium hydrogen carbonates only
magnesium hydrogen carbonates only
Sulphates and chlorides of calcium or magnesium
calcium hydrogen carbonates and magnesium hydrogen carbonates

MCQ 12: Which of the following is an intestinal disease caused by bacteria such as E.coli?

cholera
dysentery
jaundice
hepatitis

MCQ 13: The hardness that can be removed by boiling is called:

temporary hardness
permanent hardness
semi temporary hardness
semi permanent hardness

MCQ 14: What is the percentage of groundwater?

0
0.002
0.006
0.021

MCQ 15: Which type of Hepatitis spreads through polluted water?

hepatitis A only
hepatitis B only
hepatitis C
hepatitis A and B

Class 10 Chemistry Quiz App & e-Book – Environmental Chemistry II Water Certification Guide

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