Add Zinc dust into the copper sulphate solution answer in table form points on answer 1colour change 2gas released 3temprature change 4 chemical or physical change?
Answers
Answer:
when zinc dust is added to copper sulphate then the reaction goes on as given below
Zn + CuSO4 ----> ZnSO4 + Cu
(s) (aq) (aq) (s)
Explanation:
change change in colour= blue to colourless
gases released=zero
temperature temperature change=
exothermic reaction
[Exothermic reaction: it is the reaction which involves evolution of heat or energy]
chemical change=
A more reactive metal(Zn) displaces less reactive metal(Cu) from its sulphate(SO4) solution
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