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As compared to higher pH values the contact period required for...

This question belongs to Civil Engineering Environmental Engineering
Environmental Engineering
?

As compared to higher pH values, the contact period required for efficient chlorination at lower pH values is

Answer & Solution
Correct Answer: Option A
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3 Comments
Kaboto H
Kaboto H 5 years ago
Option a is correct cause if high ph value means it's alkaline and low ph means acidic.So contact period for acidic will be smaller as compared to alkaline .
Hassan Trimzee
Hassan Trimzee 6 years ago
@admin, It should be answer B
Div Divya
Div Divya 6 years ago
Option b is correct u put an wrong option
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