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

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Environmental Chemistry II Water Quiz PDF Download – Practice Test 3

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

Environmental Chemistry II Water MCQs

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