23. (d) Do you think this water (muddy water after filtration) is now safe to drink? Why?
Hence, this water is not safe to drink.
23. (e) Name one simple way by which this water (muddy water) can be made safe for drinking.
43. Paheli was feeling thirsty but there was only a pot of water at home which was muddy and unfit for drinking. How do you think Paheli would have made this water fit for drinking if the following materials were available to her?
Alum, tub, muslin cloth, gas stove, thread, pan and lid.