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Middle School: 6th, 7th and 8th Grade
Science
Chemicals - Helpful And Harmful
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Q.1
This chemical gets into drinking water through pipes.
0%
Benzene
0%
Pesticides
0%
Arsenic
0%
Lead
Q.2
Some chemicals are released through _________.
0%
atomic energy
0%
industrial waste
0%
poor management
0%
electromagnetic spectrum
Q.3
Which of the following is NOT a helpful chemical?
0%
Sodium chloride
0%
Mercury
0%
Penicillin
0%
Vinegar
Q.4
Which of the following is NOT a harmful chemical found in tap/drinking water?
0%
Lead
0%
Chlorine
0%
Sodium bicarbonate
0%
Benzene
Q.5
This type of chemical helps to fight infection.
0%
Sodium bicarbonate
0%
Vinegar
0%
Sodium chloride
0%
Antibiotics
Q.6
This chemical is found in swimming pools.
0%
Chlorine
0%
Antibiotics
0%
Sodium bicarbonate
0%
Sodium chloride
Q.7
Chemicals are found in the form of _______.
0%
matter
0%
molecules
0%
mass
0%
energy
Q.8
This acts as an antiseptic on cuts and bruises.
0%
Vinegar
0%
Sodium chloride
0%
Cornstarch
0%
Sodium bicarbonate
Q.9
This chemical seeps into the soil, making its way into groundwater and then into drinking water.
0%
Cadmium
0%
Benzene
0%
Pesticides
0%
Mercury
Q.10
Chemicals are found in ________.
0%
water, land and fire
0%
rocks, plants and oceans
0%
liquids, solids and gases
0%
electromagnetic waves
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