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Biblioteka

Evidence chemical change IP

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Posljednje ažuriranje almost 5 years ago
40

watch this video and take notes .

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Pitanje 1
1.

list all the Evidence of chemical change

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Pitanje 2
2.

Blue color

Pitanje 3
3.

Density

Pitanje 4
4.

flammability (can catch fire)

Pitanje 5
5.

solubility (dissolves)

Pitanje 6
6.

reacts with acid

Pitanje 7
7.

supports combustion (explosions)

Pitanje 8
8.

sour taste

Pitanje 9
9.

melting point

Pitanje 10
10.

reacts with water

Pitanje 11
11.

hardness

Pitanje 12
12.

boiling point

Pitanje 13
13.

luster

Pitanje 14
14.

odor

Pitanje 15
15.

reacts with air

Pitanje 16
16.

NaCl (salt) dissolves in water

Pitanje 17
17.

Ag (silver) tarnishes

Pitanje 18
18.

an apple is cut

Pitanje 19
19.

heat changes water to steam

Pitanje 20
20.

Fe (iron) rusts

Pitanje 21
21.

alcohol evaporates

Pitanje 22
22.

ice melts

Pitanje 23
23.

milk sours

Pitanje 24
24.

sugar dissolves in water

Pitanje 25
25.

wood rots

Pitanje 26
26.

pancakes cook

Pitanje 27
27.

grass grows

Pitanje 28
28.

a tire is inflated

Pitanje 29
29.

food is digested

Pitanje 30
30.

paper towel absorbs water

Pitanje 31
31.

an ice cube melts and the water evaporates

Pitanje 32
32.

two chemical are mixed and a gas is produced

Pitanje 33
33.

a bicycle changes color as it rusts

Pitanje 34
34.

a solid is crushed into a powder

Pitanje 35
35.

two substance are mixed and light is produced

Pitanje 36
36.

a piece of ice metls and reacts with sodium

Pitanje 37
37.

mixing salt and pepper

Pitanje 38
38.

chocolate syrup is dissolved in milk

Pitanje 39
39.

a marshmallow is toasted over a campfire

Pitanje 40
40.

a marshmallow is cut in half