iGCSE C11 Water Treatment
Chemistry, Science
9th - 11th Grade
Used 26+ times
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9 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
How do we test for water?
Copper (III) sulfate
Copper (II) sulfate
Cobalt (III) chloride
Cobalt (II) chloride
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How will cobalt chloride appear in the presence of water?
Yellow
Pink
Blue
Green
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How will copper sulfate appear in the presence of water?
Yellow
Pink
Blue
Green
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much water on earth is fresh?
1%
3%
5%
7%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much water on earth is available for use (eg drinking)?
0.5%
1%
3%
3.5%
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What are the two methods for water treatment?
Evaporation
Filtration
Salination
Chlorination
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How would we describe water that is safe to drink?
Pure
Potable
Waste
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