The flow diagram sets out the steps in treating river water so that it can be made into drinking water. river water $\rightarrow$ settling tank $\rightarrow$ stage X $\rightarrow$ stage Y $\rightarrow$ drinking water What happens at stages X and Y?
Chemistry 0620 · IGCSE · Water
The flow diagram sets out the steps in treating river water so that it can be made into drinking water. river water $\rightarrow$ settling tank $\rightarrow$ stage X $\rightarrow$ stage Y $\rightarrow$ drinking water What happens at stages X and Y?