Answers26-27 CFISD TX-Chemistry A CRLab: Physical and Chemical Changes

Lab: Physical and Chemical Changes Answers

12 verified answers3 views
1
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Record the amount of oil that dissolved.

A
all
B
some
C
a little
D
none
2
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▪ appearance and texture:

A
amorphous
B
powdery
C
solid
3

Look at the lightbulb above. Does this substance conduct electricity?

A
yes
B
no
C
somewhat
4

▪ state of matter:

A
solid
B
liquid
C
gas
5

▪ crystalline structure:

A
yes
B
no (not a solid)
C
no (solid, but not crystalline)
6

Record the amount of sodium chloride that dissolved.

A
all
B
some
C
a little
D
none
7

▪ state of matter:

A
solid
B
liquid
C
gas
8

Record the amount of Sodium Bicarbonate that dissolved.

A
all
B
most
C
a little
D
none
9

Look at the lightbulb above. Does this substance conduct electricity?

A
yes
B
no
C
somewhat
10

Did you record all data throughout the virtual lab experiment?

A
yes
B
no
11

▪ appearance and texture:

A
amorphous
B
powdery
C
solid
12

▪ crystalline structure:

A
yes
B
no (not a solid)
C
no (solid, but not crystalline)

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