1.

A student took four test tubes containing solutions of different colours marked I (colourless) II(Blue), III (Orange) and IV (Pale green) . Which of the tubes contain copper sulphate solution and ferrous sulphate solution?

Answer»

A student took four test tubes containing solutions of different colours marked I (colourless) II(Blue), III (Orange) and IV (Pale green) .
Which of the tubes contain copper sulphate solution and ferrous
sulphate solution?



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