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Chemistry - 9 Chapter - 7
Solution and Suspension
Test - 14
1.
Water is not a polar molecule
a) True
b) False
2.
CH
3
-CH
2
-OH is the formula of methyl alcohol
a) True
b) False
3.
Alloy is an example of solid - solid solution
a) False
b) True
4.
Sulphur is soluble in water
a) False
b) True
5.
Process of crystallization does not purify the impure solid compounds
a) True
b) False
6.
Formula of sodium thiosulphate is Na
2
S
2
O
2
5H
2
O.
a) True
b) False
7.
Amount of solute in grams dissolved in 1000gms of solvent is called solubility
a) True
b) False
8.
Solubility of Potassium Nitrate in water at 298k is 30.5 gm per 100 gm of water
a) False
b) True
9.
Solubility of calcium chromate decreases with the increase in temperature
a) True
b) False
10.
If we mix certain salts with ice, the temperature of the mixture does not get lowered
a) False
b) True
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