1:00
en
MA
Analysis of colour and physical appearance
5
white or colourless: chloride, sulphate, nitrate and carbonate of cations of sodium, potassium, barium, lead, magnesium , calcium, zinc and aluminium may be present
black: copper (II) oxide, lead sulphide and copper sulphide may be present
green: iron (II) oxide, lead sulphide and copper sulphide may be present
yellow or brown: iron (II) chloride or lead (II) oxide may be present
blue: copper (II) sulphate may be present
Analysis of colour and physical appearance
| 1. | black | A. | copper (II) sulphate may be present |
| 2. | green | B. | chloride, sulphate, nitrate and carbonate of cations of sodium, potassium, barium, lead, magnesium , calcium, zinc and aluminium may be present |
| 3. | white or colourless | C. | iron (II) oxide, lead sulphide and copper sulphide may be present |
| 4. | blue | D. | iron (II) chloride or lead (II) oxide may be present |
| 5. | yellow or brown | E. | copper (II) oxide, lead sulphide and copper sulphide may be present |
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Analysis of colour and physical appearance
| 1. | black → E |
| 2. | green → C |
| 3. | white or colourless → B |
| 4. | blue → A |
| 5. | yellow or brown → D |
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PuzzleFast.com, Noncommercial Use Only
