NEW
Font size
S
M
L
XL
Worksheetswater purification
Total questions: 8
Worksheet time: 4mins
Name
Class
Date
1.
What is the simplest water purification method?
a)
Decantation
b)
Sedimentation
c)
Boiling
d)
Chlorination
2.
Which of the following method of water purification kills germs?
a)
Sedimentation
b)
Decantation
c)
Filtration
d)
Chlorination
3.
Which of the following is water borne disease?
a)
Measles
b)
COVID -19
c)
Typhoid
d)
Mumps
4.
Which water purification method do you need to do after sedimentation?
a)
Boiling
b)
Decantation
c)
Filteration
d)
Chlorination
5.
What is the safest level of chlorine in water?
a)
4mg/lt
b)
4gm/lt
c)
40mg/lt
d)
40gml/lt
6.
What is the full form of RO used in water purifier?
a)
Reactive oxygen
b)
Reverse osmosis
c)
Reactive osmosis
d)
Reverse oxygen
7.
what method is shown above?
a)
Sedimentation
b)
Decantation
c)
Filteration
d)
Chlorination
8.
Can you label B?
a)
Funnel
b)
Filter paper
c)
Container
d)
Filtrate
Reset
