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8.1.3 Utah
Test Description: Seed standard Chemistry
Instructions: Answer all questions to get your test result.
1) In a chemical reaction, bonds between atoms are broken, and atoms rearrange and form new bonds.
A
False
B
Not Correct Answer, But you still want to pick me.
C
True
2) 5. When a substance undergoes a chemical change, its physical properties also change?
A
True
B
False
3) Chemical or Physical change: Ice Melting
A
Chemical change
B
Physical change
4) Chemical or Physical change: Two clear liquids combine and become blue
A
Physical change
B
Chemical change
5) Chemical or Physical change: Sodium burns when it is placed in water
A
Chemical change
B
Physical change
6) Chemical or Physical change: Crushing a soda can
A
Physical change
B
Chemical change
7) Chemical or Physical change: Iron reacts with oxygen to form rust
A
Physical change
B
Chemical change
8) Chemical or Physical change: Tearing Paper
A
Chemical change
B
Physical change
9) Chemical or Physical change: Water boils
A
Physical change
B
Chemical change
10) How would you test the chemical reactivity of iron?
A
See if it conducts electricity
B
Try to melt it
C
See if it changes color in the presence of oxygen
D
See how easily it bends
*select an answer for all questions
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