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Chapter 13: Importance of Water - Science Mcqs for Grade 7
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Chapter 13: Importance of Water - Science Mcqs for Grade 7
>> An addition of small dose of chlorine gas to the filtered water is known as
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Q. An addition of small dose of chlorine gas to the filtered water is known as
a.
coagulation
b.
sedimentation
c.
filtration
d.
chlorination
ANSWER: chlorination
Answer & Explanation
No explanation is available for this question!
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