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Grade 6 Science Chemical Reactions
Test Description: Chemical reactions play an important role in our daily life. This game aims to review Chemical Reactions course for Grade 6 students.
Instructions: Answer all questions to get your test result.
1) Physical change is:
A
None of the choices.
B
The change in the mass of a substance.
C
The change in identity of a substance.
D
The burning of fuel.
2) Chemical change is:
A
All of the choices.
B
The change in the identity of a substance.
C
The change in shape (form), size and state of a substance without modification in the identity of a substance.
D
The change from ice into water.
3) Digestion is a:
A
None of the choices.
B
Both
C
Physical Change.
D
Chemical Change.
4) Tearing a paper is a:
A
None of the choices.
B
Physical Change.
C
Both
D
Chemical Change.
5) Rusting of Iron is a:
A
Both
B
None of the choices.
C
Chemical Change.
D
Physical Change.
6) The action of hydrochloric acid on zinc metal is a:
A
None
B
Chemical Change.
C
Physical Change.
D
Both
7) Indications on the occurrence of chemical reactions are:
A
All of the choices.
B
Gas releases.
C
Color changes.
D
Energy exchanges
8) During a chemical reaction:
A
The total mass of reactants is equal to that of the products.
B
None of the choices
C
The total mass of reactants is greater than that of the products.
D
The total mass of reactants is less than that of the products.
9) The freezing of water is an indication of:
A
All of the choices.
B
Formation of water vapor.
C
Physical Change
D
Change of state.
10) Lavoisier stated that:
A
During a chemical reaction, matter is created.
B
During a chemical reaction, mass is gained.
C
During a chemical reaction, mass is conserved.
D
During a chemical reaction, mass is lost.
*select an answer for all questions
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