Unit 3 - Chemical Reactions Flashcards
1
Q
Clues of a Chemical Reaction
A
- Colour change
- NRG released/absorbed (heat, light)
- Precipitate forms
- Gas made
2
Q
Gas Tests
A
- O2 = glowing splint test
- H2 = burning/flaming splint test
- CO2 = limewater test
3
Q
Non-metal oxides
A
- React w/H2O to make acids
- Acidic oxides
4
Q
Metal Oxides
A
- React w/H2O to make bases
- Basic Oxides
5
Q
Acidic Oxides and Basic Oxides
A
- React w/each other to make oxyanion salt
6
Q
Acids (H) decompose into
A
H2O + acidic oxide
7
Q
Bases (OH) decompose into
A
H2O + basic oxides
8
Q
Oxyanion salts (Anion + O) decomposes into
A
acidic oxide + basic oxide
9
Q
Heavy Metal Nitrate (NO3 + Ca+) decomposes into
A
O2 + NO2 + metal oxide
10
Q
Acidic Oxide
A
NM + O
11
Q
Basic Oxide
A
M + O
12
Q
Base
A
OH
13
Q
Acid
A
H
14
Q
When Carbonates reacts w/acid
A
Ionic Compound + Water + CO2
15
Q
When Sulfites react w/acids
A
Ionic Compound + Water + SO2
