Question

give the colour of iron fillings before and adter heation and copper also​

Answer 1

The colour of the iron fillings is brownish in colour . The copper solution is bluish in colour before it's reaction with copper sulphate solution . After the reaction the solution changes to green colour .

Answer 2

Before The colour of iron filing is brownish and after heating the colour is colourless after continue heating the colourless is converted into white

The copper is looking like blue after the colour of copper is colourless or white

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