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Chem Changes Review
Test Description: Practice
Instructions: Answer all questions to get your test result.
1) 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
none of the above
C
chemical change
D
elemental change
2) 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
3) Which of the following is NOT a compound?
A
cl
B
NaCl
C
HCl
D
CO
4) ripping paper is an example of
A
none of the above
B
Chemical change
C
physical change
D
elemental change
5) Frying an egg is an example of
A
chemical change
B
none of the above
C
elemental change
D
physical change
6) metal rusting over time is an example of
A
physical change
B
elemental change
C
Chemical change
D
none of the above
7) Which of the following is a sign that a chemical change occurred?
A
two liquids are mixed
B
ice melts
C
2 colorless gasses mix and a brown gas is formed
D
a can is crushed
8) Two liquids are mixed and a solid forms. This is an example of which sign from city girls love their phones
A
precipitate forms
B
color change
C
gas omitted
D
light omitted
9) bananas changing color is a sign of what?
A
elemental change
B
chemical change
C
none of the above
D
physical change
10) How do we count the ELEMENTS in a compound?
A
count every lowercase letter
B
none of the above
C
count the capital letters
D
count the small numbers
*select an answer for all questions
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