Explain the 2- slaked lime added to factory waste before it is discharged into Rivers
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Explanation:
The factory waste has acidic nature . slaked lime has a basic nature. it is added to the factory waste to neutralize some amount of acid in the waste. it doesn't let much amount of acid to affect the river and its aquatic life.
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the two types of slaked lime are:
1. Slaked lime(calcium hydroxide)
2. Quick lime(calcium oxide)
they both are basic in nature. use of slaked lime or quick lime neutralises the acidic nature of soil
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