WorksheetsChemGig
Total questions: 7
Worksheet time: 4mins
Name
Class
Date
1.
What is the formula of water?
a)
H2O2
b)
HO2
c)
H2O
d)
2HO
2.
How many atoms in molecule of water
a)
1
b)
2
c)
3
d)
4
3.
Which one is a polymer?
a)
carbon dioxide
b)
water
c)
plastic
d)
coffee
4.
At what temperature gas becomes a liquid?
a)
1C
b)
0C
c)
-100C
d)
-196C
5.
Which one is not a gas at room temperature?
a)
CO2
b)
Nitrogen
c)
water
d)
Helium
6.
Which one is not salt?
a)
Sodium chloride
b)
Sodium oxide
c)
Magnesium chloride
d)
Sodium nitrate
7.
What gas is released when you mix soda and vinegar?
a)
Nitrogen
b)
Oxiden
c)
Carbon dioxide
d)
Helium
100 %
