alum is effective when ph of water is between
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0
Answer:
between 6.5-8.5
Explanation: Alum is effective when pH of water is between 6.5-8.5. Its dose depends on turbidity, color, taste, pH and temperature of water.
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2
Answer:
between 6.5-8.5
Explanation: Alum is effective when pH of water is between 6.5-8.5. Its dose depends on turbidity, color, taste, pH and temperature of water
Explanation:
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