Physical And Chemical Changes Question Preview (ID: 47973)
Physical And Chemical Changes.
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Which of the following is a physical change
a) dissolving
b) combusting
c) corroding
d) rusting
Which of the following is a chemical change
a) dissolving
b) combusting
c) tearing
d) ripping
Which is a sign that a chemical change has occurred
a) An unexpected color change occurs
b) Change in texture
c) Change in size
d) Change in shape
Which of the following is a chemical change?
a) A reddish material forming on a chain when exposed to rain
b) A paper changing shape after being cut
c) Sugar dissolving in water
d) Water having a density of 1 g/mL
Which of the following is NOT a sign of chemical change
a) Unexpected color change
b) Change in temperature
c) Change in shape
d) Change in smell
Which must always be true for a chemical change?
a) A gas must always be formed
b) Molecules are not broken
c) A new substance is formed
d) The new substance remains in the same state of matter
Which of the following is a physical change
a) Change in state
b) Unexpected color change
c) Change in sound
d) Change in smell
Which of the following is a chemical change
a) Production of gas
b) Change in state of matter
c) Change in shape
d) EXPECTED color change
Cutting paper is a
a) Physical Change
b) Chemical Change
c)
d)
Production of gas is a
a) Chemical Change
b) Physical Change
c)
d)
A reaction becoming cooler is a
a) Chemical Change
b) Physical Change
c)
d)
Styrofoam dissolving in Acetone
a) Physical Change
b) Chemical Change
c)
d)
Cracking a glow stick is a
a) Chemical Change
b) Physical Change
c)
d)
Smelling burnt toast is a
a) Chemical Change
b) Physical Change
c)
d)
Fireworks explosion is a
a) Chemical Change
b) Physical Change
c)
d)
A nail file can change the shape of a fingernail
a) Physical change
b) Chemical Change
c)
d)
Bubbles form and there's a change in smell
a) Chemical Change
b) Physical Change
c)
d)
Using sandpaper on a piece of wood to smooth it out
a) Physical Change
b) Chemical Change
c)
d)
A material that eats away another metal
a) Chemical Change
b) Physical Change
c)
d)
Chewing food is
a) Physical Change
b) Chemical Change
c)
d)
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