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Chemistry - 9 Chapter - 7
Solution and Suspension
Test - 16
1.
Benzene is usually considered as
a) Solute
b) Suspension
c) Solution
d) Solvent
2.
The solution that contains 1 mole of solute in 1dm
3
of solution is called:
a) Molal solution
b) A normal solution
c) Molar solution
d) Colloidal solution
3.
2 moles of water is equal to:
a) 56 gms
b) 18 gms
c) 66 gms
d) 36 gms
4.
We can lower the temperature of mixture by mixing ice with:
a) Base
b) Salt
c) Acid
d) Metal
5.
A solution that contains large amount of dissolved solute is called:
a) Dilute solution
b) Un-saturated solution
c) Concentrated solution
d) Saturated solution
6.
The percentage of air by volume in ice cream is
a) 20%
b) 50%
c) 30%
d) 10%
7.
One litre is equal to:
a) 10 cm
3
b) 500 cm
3
c) 1000 cm
3
d) 100 cm
3
8.
Solder is solution of lead and
a) Gold
b) Zinc
c) Tin
d) Copper
9.
Formula of water gas is
a) CO+Cl
2
b) CO+O
2
c) CO+H
2
d) CO+N
2
10.
Formula of sugar is:
a) CH
2
O
b) C
12
H
22
O
11
c) C
6
H
12
O
6
d) C
2
H
5
OH
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