Question

Sulfate, SO₄^2-

1. Add ½ mL 0.1M MgSO₄ into a small test tube.
2. Add ½ mL 0.1M BaCl₂ to same test tube.
3. Mix thoroughly.
4. Record your observations.
5. Add 5 drops of 3M HCl
6. Record your observations and results.

Carbonate, CO₃^2-

1. Add ½ mL of the 0.10 M NaHCO₃ solution into a small test tube.
2. Add 5 drops of 3M HCl.
3. Record your observations and results.

Phosphate, PO₄^3-

1. Add ½ mL 0.1M Na₃PO₄ into a small test tube.
2. Add ½ mL 0.1M Zn(C₂H₃O₂)₂ to same test tube.
3. Mix thoroughly.
4. Record your observations and results.

Iodide, I^-

1. Add ½ mL 0.1M NaI into a small test tube.
2. Add 5 drops of chlorine water to the same test tube.
3. Mix thoroughly.
4. Add 15 drops of mineral oil.
5. Mix thoroughly.
6. Record your observations and results.

Anion tested	test	Observations	Test results (+/-)	Results analysis of observations
SO42-	SO42-
CO32-	CO32-
PO43-	PO43-
I -	I -

Answer 1

I hope you need the observation table hence written as above. Please let me know if you have any specific questions as such in the comment section.