Which method is used to separate a solid mixture of copper powder and sodium chloride so that pure, solid samples of each compound are obtained?
- A1, 2 and 4
- B1 and 2 only
- C1, 3 and 4
- D3 and 4 only
Chemistry 5070 · O Level · Separation and purification
Which method is used to separate a solid mixture of copper powder and sodium chloride so that pure, solid samples of each compound are obtained?