18. In Monika's house the water was very dirty
and muddy. Her father added a substance into it
and water become clean (fit for dirking). What
substance was added by her father?
a) Potash Alum
b) Sugar
c) Salt
d) Vinegar
Answers
Answered by
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answer : potash alum
Explanation:
Alum causes the impurities to stick to it and settle down
The impurities stick to alum because of which they become heavier and settle down.
Answered by
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Answer:
potash alum
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