Chemical Changes Question Preview (ID: 33951)


Chemical Vs Physical. TEACHERS: click here for quick copy question ID numbers.

Changes in state of matter.
a) Chemical change
b) Physical change
c)
d)

A reaction creates new substances.
a) Chemical change
b) Physical change
c)
d)

With a physical change, no new substance is formed.
a) True
b) False
c)
d)

Two students mix vinegar and baking soda. They observe bubbles forming, baking soda dissolving, and vinegar turning cloudy. They infer that a chemical change has occurred. Which data support this inference?
a) bubbles formed
b) baking soda dissolved
c) vinegar evaporated
d) color of vinegar changed

When sandpaper smooths a piece of wood, this is an example of a __________.
a) Chemical change
b) Physical change
c)
d)

An example of a chemical change is __________.
a) water boiling
b) candle wax melting
c) a car rusting
d) a window shattering

What is not a possible sign of a chemical change?
a) color change
b) heat given off
c) light given off
d) a change of state

A banana browning in the air is an example of __________.
a) a physical change
b) a change of state
c) chemical change
d) physical property

A chemical change __________.
a) always can be reversed
b) never can be reversed
c) cannot be reversed easily
d)

bleaching your hair
a) Chemical change
b) Physical change
c)
d)

fireworks exploding
a) Chemical change
b) Physical change
c)
d)

squeezing oranges to make orange juice
a) Chemical Change
b) Physical Change
c)
d)

frying an egg
a) Chemical Change
b) Physical change
c)
d)

Melting ice cream
a) chemical change
b) physical change
c)
d)

mixing flour and water to make dough
a) chemical change
b) physical change
c)
d)

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