Question

4 student a b c and d were asked to carry out a decomposition reaction each one followed different method of mentioned A heated aqueous solution of iron sulphate in a test tube ,B added Zn granules to iron sulphate in a test tube and then heated the mixture, C heated crystal of iron sulphate in a test tube, D heated crystals of iron sulphate along with copper sulphate crystal in a China dish .which student adopted the correct method?

Answer 1

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