Question

answer the question fast plz

Answer 1

Hello dear I am tanwi and your answer is in down




1) take about 2 gram of ferrous sulphate crystals in a dry boiling tube and note the colour of the crystals.
2) hold the boiling tube with a test tube holder and test the boiling tube over the frame of a boiler.
3) smell the gas being emitted.
4) observe the colour of the crystals after heating.




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