What happen when a piece of zinc metal is added to copper sulphate solution aluminium metal is added to dilute hcl silver metal is added to copper sulphate solution answer write balanced equation occur?
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Answer:
zn+ copper sulphate =zinc sulphate + copper
2..aluminium + hcl= aluminium chloride+ Hydrogen
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(a) When zinc metal is added to copper sulphate solution, the colour of CuSO4 solution disappears and colourless zinc sulphate solution is formed. Solid brown copper is deposited as it displaces by Zn.
Zn + CuSO4---------> ZnSO4 + Cu
(b) Aluminium displaces hydrogen from HCl and hydrogen gas is evolved with soluble aluminium chloride.
2Al + 6HCl ----------> 2AlCl3 + 3H2
(c) Silver is a Nobel metal and does not exhibit any reaction with copper sulphate.
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