18 reema 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.
a. explain why the fish were dying.
b. if the factory waste is acidic, how can it be neutralised?

a. The fish are dying due to factory pollution making the water of the pond uninhabitable.

b. The pond can be neutralized by adding something basic to balance the pH levels of the pond, or by adding significant amounts of water to dillute the acidity of the pond.

the reaction mixture contains some ammonia, plus a lot of unreacted nitrogen and hydrogen. the mixture is cooled and compressed, causing the ammonia gas to condense into a liquid. the liquefied ammonia is separated and removed. the unreacted nitrogen and hydrogen are then recycled back into the reactor .