Chem Changes Review Question Preview (ID: 52896)
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is a change to a substance that occurs without forming a new substance, such as a change in the size, shape or state of matter.
a) physical change
b) chemical change
c) elemental change
d) none of the above
is a change in matter that produces one or more new substances
a) physical change
b) Chemical change
c) elemental change
d) none of the above
Which of the following is NOT a compound?
a) HCl
b) NaCl
c) cl
d) CO
ripping paper is an example of
a) Chemical change
b) physical change
c) elemental change
d) none of the above
Frying an egg is an example of
a) chemical change
b) physical change
c) elemental change
d) none of the above
metal rusting over time is an example of
a) Chemical change
b) physical change
c) elemental change
d) none of the above
Which of the following is a sign that a chemical change occurred?
a) 2 colorless gasses mix and a brown gas is formed
b) ice melts
c) a can is crushed
d) two liquids are mixed
Two liquids are mixed and a solid forms. This is an example of which sign from city girls love their phones
a) gas omitted
b) color change
c) light omitted
d) precipitate forms
bananas changing color is a sign of what?
a) physical change
b) chemical change
c) elemental change
d) none of the above
How do we count the ELEMENTS in a compound?
a) count the small numbers
b) count every lowercase letter
c) count the capital letters
d) none of the above
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