on heating copper powder in a china dish the surface of copper powder become black which chemical reaction is this?????
Answers
Answered by
7
it's a oxidation reaction
MeenakshiPriyesh:
what about heating green ferrous sulphate crystals ?? which reaction is that?
Endothermic because it absorbs heat
thanks
And also it is a decomposition reaction
yup
Actually, all decomposition reactions are endothermic.
Answered by
3
It is a kind of oxidation reaction .We can also say it to be a combination reaction.
2Cu(s)+ o2(g)=2cuo(s) (black coloured)
2Cu(s)+ o2(g)=2cuo(s) (black coloured)
thanks
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