Chemistry Quiz For KVS & NVS 2016 Exams



1. If a refrigerator’s door is kept open, the – 
A.Room will be heated
B.No effect on room
C.Room will be cooled
D.May get cooled or heated depending upon the weather

2. Which among of the following is a types of electroplating — 
A.copper plating
B.silver plating
C.chromium plating
D.All of these

3. Which of the following metals is not attacked by the environment? 
A.Iron
B.Silver
C.Copper
D.Gold

4. Use of electrolysis— 
A.Electro refining
B.Electroplating
C.Both (A) & (B)
D.None of the above

5. Iron rusts in the presence of— 
A.Moisture
B.Oxygen
C.Vacuum
D.Both (A) & (B)

6. Which of the following is a homogeneous system? 
A.Concrete
B.Solution of sugar in water
C.Bread
D.Muddy water

7. Which of the following is not a colloid? 
A.Milk
B.Chlorophyll
C.Smoke
D.Ruby glass

8. Medicines are more effective, if they are used in— 
A.Colloidal state
B.Solid state
C.Gaseous state
D.Solution state

9. Smoke is an example of— 
A.Liquid dispersed in solid
B.Solid dispersed in gas
C.Gas dispersed in solid
D.Gas dispersed in liquid

10. The formation of colloid from suspension is- 
A.Sedimentation
B.Condensation
C. Peptisation
D.None of the above



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