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Physical And Chemical Changes
Test Description: Physical and Chemical Changes
Instructions: Answer all questions to get your test result.
1) Which of the following is a physical change
A
dissolving
B
combusting
C
corroding
D
rusting
2) Which of the following is a chemical change
A
ripping
B
dissolving
C
combusting
D
tearing
3) Which is a sign that a chemical change has occurred
A
An unexpected color change occurs
B
Change in shape
C
Change in size
D
Change in texture
4) Which of the following is a chemical change?
A
A reddish material forming on a chain when exposed to rain
B
Water having a density of 1 g/mL
C
A paper changing shape after being cut
D
Sugar dissolving in water
5) Which of the following is NOT a sign of chemical change
A
Unexpected color change
B
Change in temperature
C
Change in smell
D
Change in shape
6) Which must always be true for a chemical change?
A
A gas must always be formed
B
The new substance remains in the same state of matter
C
A new substance is formed
D
Molecules are not broken
7) Which of the following is a physical change
A
Change in state
B
Change in sound
C
Change in smell
D
Unexpected color change
8) Which of the following is a chemical change
A
Change in shape
B
Change in state of matter
C
Production of gas
D
EXPECTED color change
9) Cutting paper is a
A
Chemical Change
B
Physical Change
10) Production of gas is a
A
Chemical Change
B
Physical Change
11) A reaction becoming cooler is a
A
Chemical Change
B
Physical Change
12) Styrofoam dissolving in Acetone
A
Physical Change
B
Chemical Change
13) Cracking a glow stick is a
A
Chemical Change
B
Physical Change
14) Smelling burnt toast is a
A
Chemical Change
B
Physical Change
15) Fireworks explosion is a
A
Physical Change
B
Chemical Change
16) A nail file can change the shape of a fingernail
A
Physical change
B
Chemical Change
17) Bubbles form and there's a change in smell
A
Chemical Change
B
Physical Change
18) Using sandpaper on a piece of wood to smooth it out
A
Chemical Change
B
Physical Change
19) A material that eats away another metal
A
Chemical Change
B
Physical Change
20) Chewing food is
A
Physical Change
B
Chemical Change
*select an answer for all questions
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