Chemical Equations Flashcards
1
Q
Reaction of alkali metals with air
A
Metal -> oxygen -> metal oxide
2
Q
Lithium
A
4Li + O2 -> 2Li2O
3
Q
Sodium
A
4Na + O2 -> 2Na2O
4
Q
Reaction of alkali metals with 💦 water
A
Metal + water -> metal hydroxide + hydrogen
5
Q
Reaction between zinc and HCL
A
Zn + 2HCL -> 2nCl2 + H2
6
Q
Neutralisatiom
A
Acid + bases -> salt + water
7
Q
Preparation for oxygen
A
H2O2 -> O2 + H2O
8
Q
Preparation for carbon dioxide
A
CaCo3 + 2HCL -> CaCl2 + H2O + Co2
9
Q
Limewater and carbon dioxide
A
Ca(OH)2 + Co2 -> CaCo3 + H2O
10
Q
Aerobic respiration
A
Glucose + oxygen -> energy + carbon dioxide+ water
11
Q
Photosynthesis
A
Carbon dioxide + water -> glucose + oxygen