Question

why is it wise to neutralize the factory waste before disposing them into rivers or lakes?

Answer 1

We know that factories produces varities of waste products, these can be$\textbf{ acidic }$. Which may not be useful for the aquats of water, so neutralising such water will reduces this effect.

Answer 2

Answer:

The factory wastes contains harmful acids and bases. if these wastes are directly allowed to flow directly into the water bodies. they may harm aquatic plants and animals. therefore it is wise to neutralize the factory waste before disposing them off into revers or lakes.