Small copper (II) sulphate crystals were dissolved in a test tube of water to form a blue solution. All but 1 cm3 of the solution was discarded and the test tube was filled with distilled water and shaken. This was repeated three times and the final solution still had traces of blue. This experiment best provides evidence that matter is made of
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hemical reaction of iron nail with copper sulphate solution in water. THEORY. Iron displaces copper ions from an aqueous solution of copper sulphate. ... clean test tube and dissolve 1.0 g of copper sulphate in it. Add 2 or 3 drops of dil. sulphuric ... Zinc metal granules, dil. sulphuric acid, red and blue litmus papers, test.
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