1. chloride ions only
2. potassium ions only
3. potassium and chloride ions only
4. potassium, magnesium and chloride ions
potassium, magnesium and chloride ions
1. CO
2. CH4
3. CO2
4. C2H4
CO
1. H2Te
2. H2Se
3. H2S
4. H2Po
H<sub>2</sub>S
1. +2
2. +3
3. +1
4. +6
+3
1. O2
2. N2
3. CO2
4. H2O
CO<sub>2</sub>
1. C,H,Al
2. C,H,B
3. B,N,H
4. C,N,H
B,N,H
1. NO
2. N2O3
3. N2O4
4. N2O5
N<sub>2</sub>O<sub>5</sub>
1. carbon black
2. platinum black
3. zinc sulphide
4. poly tetrafluoro ethylene
zinc sulphide
1. CHCl2
2. H2O
3. CCl4
4. HCl
CCl<sub>4</sub>
1. 0.0821
2. 8.314x107
3. 8.314
4. 1.987
8.314