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Chemical Reactions
Test Description: Chemical reactions play an important role in our daily life. This game aims to review Chemical Reactions course for Grade 6students.
Instructions: Answer all questions to get your test result.
1) Physical change is:
A
The change in shape (form), size and state of a substance without modification in the identity of a substance.
B
The change in identity of a substance.
C
None of the above.
D
The burning of fuel.
2) Chemical change is:
A
The change in shape (form), size and state of a substance without modification in the identity of a substance.
B
The change in the identity of a substance.
C
All of the above.
D
The change from ice into water.
3) Respiration is a:
A
Both.
B
Physical Change.
C
Chemical Change.
D
None.
4) Breaking glass is a:
A
Physical Change.
B
Both
C
None.
D
Chemical Change.
5) Photosynthesis is a:
A
Physical Change
B
Chemical Change.
C
Both.
D
None.
6) The action of vinegar on chalk is a:
A
Chemical Change.
B
Physical Change.
C
none
D
both
7) Signs on the occurrence of chemical reactions are:
A
Energy exchanges
B
All of the above.
C
Color changes.
D
Gas releases.
8) When a gas is released from a chemical reaction:
A
None of the above
B
The total mass of reactants is greater than that of the products.
C
The total mass of reactants is less than that of the products.
D
The total mass of reactants is equal to that of the products.
9) The evolution of air bubbles when water is heated is an indication of:
A
All of the above.
B
Physical Change
C
Formation of water vapor.
D
Change of state.
10) During a chemical reaction, mass is conserved. This is:
A
Dalton’s Law.
B
Newton’s Law.
C
Volta’s Law
D
Lavoisier’s Law.
*select an answer for all questions
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