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1. Blue litmus paper is dipped in a solution. It remains blue. What is the nature of the solution? Explain. 2. Factory waste is neutralised before disposing it into the water bodies. Why?

Answer»

1. Blue litmus paper is dipped in a solution. It remains blue. What is the nature of the solution? Explain.



2. Factory waste is neutralised before disposing it into the water bodies. Why?





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