when ferrous sulphate crystals are heated the Residue obtained in the test tube is _______1)red colour 2)blue colour 3)green colour 4)colourless
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the residue obtained in the test tube is colorless
Jamim:
because the water present in ferrous sulphate gets evaporated and it becomes colorless
Answered by
6
green color... because when heated it reacts with carbon dioxide to form ferrous carbonate and thus obtained green color.
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