Q.1.
This chemical gets into drinking water through pipes.
Q.2.
Some chemicals are released through _________.
Q.3.
Which of the following is NOT a helpful chemical?
Q.4.
Which of the following is NOT a harmful chemical found in tap/drinking water?
Q.5.
This type of chemical helps to fight infection.
Q.6.
This chemical is found in swimming pools.
Q.7.
Chemicals are found in the form of _______.
Q.8.
This acts as an antiseptic on cuts and bruises.
Q.9.
This chemical seeps into the soil, making its way into groundwater and then into drinking water.
Q.10.
Chemicals are found in ________.