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प्रश्न
Paheli observed that most of the fish in the pond of her village were gradually dying. She also observed that the waste of a factory in their village is flowing into the pond which probably caused the fish to die.
- Explain why the fish were dying.
- If the factory waste is acidic in nature, how can it be neutralised?
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उत्तर
- Since the factory waste is being disposed off in the river, it can kill the fish because factory waste may contain acids or bases or other toxic materials.
- If the factory waste is acidic in nature, it can be neutralised by adding basic substances like lime before disposing off in the river.
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|
Reactants |
Products |
Method |
|
Soluble base + Acid (dil) |
Salt + water |
Neutralisation Titration |
|
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|
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______ |
|
Active metal + Acid (dil) |
______ + ______ |
______ |
|
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Precipitated salt + Soluble salt |
______ |
|
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Salt + ______ + ______ |
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|
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______ + ______ |
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