MULTIPLE CHOICE QUESTIONS
1. The
state in which the articles of a solid or liquid present in the gaseous state
as colloidal suspension:
a. Aerosol b. Gel c. Alloy
2. A phenomenon that is exhibited by colloids
alone:
a. Super
saturation b. Tyndall effect c. Property of
reflecting colours
3. Which
must be a component in an amalgam?
a. Sodium
chloride b. Sodium hydroxide c. Mercury
4. What are
the components of baking powder?
a. Sodium
hydrogen tartarate Sodium hydrogen carbonate
b. Potassium hydrogen tartarate
Sodium hydrogen carbonate
c.Potassium
hydrogen tartarate
Sodium carbonate
5. Which
substances are known as deicing salts?
a. Calcium
chloride
Sodium chloride
b . Calcium hydroxide
Sodium chloride
c. Calcium
carbonate
Sodium carbonate
6. Tartrazine
: yellow : : Erythrocin : .................
a. Red b.
Purple c. Blue
7. Propanoic
acid : Destroys fungus : : Sodium
nitrate : ....................
a. Kill
insects
b. Kills bacteria c. Destroy
yeast
8. If the
amount of solute dissolved is
lesser, it is a ...................
a. Concentrated
solution b. Saturated solution
c.
Dilute solution
9. Which
one will be the example for solid in solid solution?
a.
Alloy
of copper and gold
b.
Watervapour
in air
c.
Kerosene
in petrol
10. What
happens when the path of light passed in chalk powder solution?
a.
Path
of ray cannot be seen.
b.
Path
of ray can be seen.
c.
None
of these.
11. The
mixture of air and moisture is a .........................
a.
Solution b. Colloid c.Suspension
12. All
solutions are ...................
mixtures.
a.
Heterogeneous b. Homogeneous c. Both of them
13. Medicines
are ...................
a.
Colloid b. suspension c. solution
14. What is
the name of solution which cannot dissolve any further salt at a particular
temperature?
a. Unsaturated b. Saturated c. Supersaturated
15. The
solute can be filtered off in ...............
a.Colloid b. Suspension c.
Solution
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