7th Class General Science MCQ Test With Answer for Science chapter 5

MCQ's Test For Chapter 5 "General Science 7th Class English Medium Chapter 5 Online Test"

Try The MCQ's Test For Chapter 5 "General Science 7th Class English Medium Chapter 5 Online Test"

  • Total Questions10

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General Science 7th Class English Medium Chapter 5 Online Test

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Question # 1

Zince oxide is ............... solid substances.

Question # 2

Select all that happen during a chemicla change.

Question # 3

Chemical reaction of oxygen with other substances is called.

Question # 4

Freezing of a liquid is a

Question # 5

What happens to water on heating.

Question # 6

Sajeet the one that is different from the otehrs.

Question # 7

What are teh products when electric current is passed through water.

Question # 8

Silver+ hydrogen suolphide+Oxygen--------------- Silver sulphide + water The above reaction is known as.

Question # 9

Product fo combustion is.

Question # 10

Formation of steam from water is example of.

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5th Chapter

7th General Science English Medium Chapter 5 Test

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Sr.# Question Answer
1 What happens to water on heating.
A. Evaporates
B. Condense
C. Freez
D. None of these
2 Formation of steam from water is example of.
A. Chemical change
B. Physical Change
C. Both of these
D. None of these
3 During combustion, a substance reacts with
A. Hydrogen
B. Water
C. Oxygen
D. Carbon di oxide
4 Chemical reaction of oxygen with other substances is called.
A. Oxidation
B. Reduction
C. Rusting
D. None of these
5 Zince oxide is ............... solid substances.
A. Red
B. White
C. Yellow
D. Blue
6 Select all that happen during a chemicla change.
A. A temporary chagne occurs.
B. Composition of the substanes is changed.
C. Propertis of the sbstances are changed.
D. New substances with different properties are formed.
7 A piece of iron is kept in open air for 5 days. A film of corrosion formed over it is.
A. Iron oxide
B. Iron sulphide
C. Iron Chloride
D. Iron Hydride
8 What are teh products when electric current is passed through water.
A. Only steam
B. Hydrogen and steam
C. Hydrogen and oxygen
D. Oxygen and steam
9 Rusting of iron takes place in the presence of.
A. Moisture
B. O2
C. Both moisture and O2
D. Dry air

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