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WorksheetsC04: Physical vs Chemical Changes - Concepts Test Review
Total questions: 36
Worksheet time: 18mins
Name
Class
Date
1.
Formation of a precipitate.
a)
Indication of a chemical reaction
b)
Physical change
2.
Decomposition of an organism
a)
Chemical change
b)
Physical change
3.
Sublimation
a)
Indication of a chemical reaction
b)
Physical changes
4.
Separation of a mixture
a)
Indication of a chemical reaction
b)
Physical change
5.
Chemiluminescence
a)
Chemical change
b)
Physical change
6.
The picture represents a(n)
a)
Indication of a chemical reaction
b)
Physical change
7.
Exothermic
a)
Feels hot
b)
Feels cold
8.
The picture represents a(n)
a)
Indication of a chemical reaction
b)
Physical change
9.
Endothermic
a)
Heat energy given off
b)
Heat energy taken in
10.
Combustion (burning)
a)
Chemical change
b)
Physical change
11.
The picture represents a(n)
a)
Indication of a chemical reaction
b)
Physical change
12.
Color change
a)
Indication of a chemical reaction
b)
Physical change
13.
Formation of a gas
a)
Indication of a chemical reaction
b)
Physical change
14.
Chromatography
a)
Indication of a chemical reaction
b)
Physical change
15.
Light energy is given off.
a)
Indication of a chemical reaction
b)
Physical change
16.
Cooking
a)
Chemical change
b)
Physical change
17.
Exothermic
a)
Heat energy given off
b)
Heat energy taken in
18.
Endothermic
a)
Feels hot
b)
Feels cold
19.
Deposition
a)
Indication of a chemical reaction
b)
Physical change
20.
Heat energy given off
a)
Indication of a chemical reaction
b)
Physical change
21.
The picture represents a(n)
a)
Indication of a chemical reaction
b)
Physical change
22.
Heat energy taken in
a)
Indication of a chemical reaction
b)
Physical change
23.
Odor change
a)
Indication of a chemical reaction
b)
Physical change
24.
Phase change
a)
Indication of a chemical reaction
b)
Physical change
25.
Corrosion
a)
Chemical change
b)
Physical change
26.
Mechanical Separation/Shaping
a)
Indication of a chemical reaction
b)
Physical change
27.
Formation of a mixture
a)
Indication of a chemical reaction
b)
Physical change
28.
Fractional Distillation
a)
Indication of a chemical reaction
b)
Physical change
29.
Boiling/Evaporation
a)
Indication of a chemical reaction
b)
Physical change
30.
Metabolism (photosynthesis, cellular respiration, DNA synthesis, transcription, translation)
a)
Chemical change
b)
Physical change
31.
Melting
a)
Indication of a chemical reaction
b)
Physical change
32.
Formation of a compound
a)
Chemical Change
b)
Physical Change
33.
Particles (atoms, molecules, formula units) of the substance does not change.
a)
Chemical Change
b)
Physical Change
34.
Different chemical formulas
a)
Chemical change
b)
Physical change
35.
Batteries (charging/discharging)
a)
Chemical change
b)
Physical change
36.
Digestion
a)
Chemical change
b)
Physical change
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