Physical Examination of Salt/Mixture :
| Observation |
Inference |
1. Substance is coloured
(i) Blue
(ii) Dark green
(iii) Green
(iv) Light yellow or brown
(v) Dark brown
(vi) Reddish brown
(vii) Light pink
(viii) Pink
(ix) Red
(x) Orange red |
Copper (ic) salt
Chromium salt
Salts of Fe (ous), Ni, Cu (ous) or Cr
Salts of Fe(ic)
PbO2, Bi2S3
Fe2O3
Salts of Mn
Salts of Co
HgO, HgI2, Pb3O4
Sb2S3 |
| 2. Substance is wet |
CaCl2, ZnCl2, MgCl2, MnCl2, nitrites, nitrates |
| 3. Substance is heavy |
Salts of Pb, Hg and Ba |
| 4. Substance is light |
Carbonates of Bi, Mg, Al, Zn, Ca, Sr |
