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  • 21-02-2022
  • Chemistry
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Аноним Аноним
  • 21-02-2022

#a

  • Zinc displaces copper

It means

  • Zinc is more reactive than copper

#b

  • Zinc+Copper sulphate--> Zinc sulphate+Copper

#c

No reaction because

  • Magnesium is more reactive than zinc

#d

Reaction occurs

  • Iron is more reactive than copper
  • Magnesium is more reactive than iron

Order:-

  • Cu<Fe<Zn<Mg
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