- Trích mẫu thử, đánh STT
- Cho vài giọt dd NaCl vào 3 ống đựng 3 mẫu thử. Ống nào xuất hiện kết tủa trắng thì ống đó đựng dd AgNO3" role="presentation" style="font-family: "Open Sans", sans-serif; display: inline-block; line-height: 0; font-size: 14.52px; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; position: relative;">AgNO3AgNO3
AgNO3+NaCl⟶AgCl↓+NaNO3" role="presentation" style="font-family: "Open Sans", sans-serif; display: inline-block; line-height: 0; font-size: 14.52px; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; position: relative;">AgNO3+NaCl⟶AgCl↓+NaNO3AgNO3+NaCl⟶AgCl↓+NaNO3
                       " role="presentation" style="font-family: "Open Sans", sans-serif; display: inline-block; line-height: 0; font-size: 14.52px; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; position: relative;"> (trắng)
- Cho vài giọt dd NaOH vào 2 mẫu còn lại. Ống nào xuất hiện kết tủa xanh thì ống đó đựng dd CuSO4" role="presentation" style="font-family: "Open Sans", sans-serif; display: inline-block; line-height: 0; font-size: 14.52px; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; position: relative;">CuSO4CuSO4
CuSO4+2NaOH⟶Cu(OH)2↓+Na2SO4" role="presentation" style="font-family: "Open Sans", sans-serif; display: inline-block; line-height: 0; font-size: 14.52px; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; position: relative;">CuSO4+2NaOH⟶Cu(OH)2↓+Na2SO4CuSO4+2NaOH⟶Cu(OH)2↓+Na2SO4
                          " role="presentation" style="font-family: "Open Sans", sans-serif; display: inline-block; line-height: 0; font-size: 14.52px; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; position: relative;"> (xanh)
- Ống còn lại đựng dd NaCl.