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2/14: Physical and Chemical Changes Lab
By Austin Blackford
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Last updated over 2 years ago
45 questions
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Question 1
1.
As4O10
Question 2
2.
V2O3
Question 3
3.
ammoniun phosphate
Question 4
4.
sulfur trioxide
Question 5
5.
Question 6
6.
Question 7
7.
Question 8
8.
Question 9
9.
Question 10
10.
Question 11
11.
Question 12
12.
Question 13
13.
Question 14
14.
Question 15
15.
Question 16
16.
Question 17
17.
Question 18
18.
Question 19
19.
Question 20
20.
Question 21
21.
Question 22
22.
Question 23
23.
Question 24
24.
Question 25
25.
Question 26
26.
calcium sulfide
Question 27
27.
dinitrogen pentoxide
Question 28
28.
ammonia
Question 29
29.
NaBr
Question 30
30.
NO2
Question 31
31.
sulfuric acid
Question 32
32.
aluminum sulfate
Question 33
33.
FeSO4
Question 34
34.
P2Br4
Question 35
35.
zinc(II)nitrate
Question 36
36.
methane
Question 37
37.
AsCl3
Question 38
38.
NO
Question 39
39.
trisulfur monochloride
Question 40
40.
KC2H3O2
Question 41
41.
NF3
Question 42
42.
barium acetate
Question 43
43.
nickel(III)sulfide
Question 44
44.
HC2H3O2 or HCH3COO
Question 45
45.
H2CO3
What happened when calcium chloride and baking soda were combined in the presence of an indicator?
The solution turned black then purple
The solution turned yellow, blue, or red
There was no color change
The solution turned purple
chemical or physical change?
chemical
physical
Evidence of a chemical or physical change?
a chemical reaction formed new products
matter changed form, but not identity
What happened when ammonium chloride combined with water?
The temperature decreased
The temperature increased
The solution turned red
The solution turned blue
chemical or physical change?
chemical
physical
Evidence of a chemical or physical change
a chemical reaction forms new products
matter changes form but not identity
What happened when you combusted magnesium
a bright light was formed
the fire turned red
the fire turned blue
nothing happened
chemical or physical change?
chemical
physical
evidence of a chemical or physical change
matter changed form, but not identity
a chemical reaction forms new products
chemical or physical change?
chemical
physical
evidence of a chemical or physical change?
a chemical reaction formed new products
matter changed form, but not identity
What did you observe when you combusted paper?
it looked like my English essay
it got lit fam
chemical or physical change?
chemical
physical
evidence of a chemical or physical change?
a chemical reaction formed new products
matter changed form, but not chemical identity
chemical or physical change?
chemical
physical
evidence of a chemical or physical change
chemical reaction produced new products
matter changed form, but not chemical identity
What did you observe when you combined lead nitrate and potassium iodide?
a yellow precipitate formed
the color changed to red
the color changed to blue
the temperature increased
the temperature decreased
chemical or physical change?
chemical
physical
evidence of a chemical or physical change
a chemical reaction created new products
matter changed form, but not chemical identity
chemical or physical change?
chemical
physical
evidence of a chemical or physical change
a chemical reaction produced new products
matter changed form, but not chemical identity
