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Solutions of zinc sulphate (I) copper sulphate, (II) aluminum sulphate, (III) and iron sulphate, (IV) were taken in four test tubes. An iron nail was put in each solution and the system was left undisturbed for an hour. In which set up or set ups the iron nail be coated?
  • a)
    I and II
  • b)
    only in IV
  • c)
    only in II
  • d)
    II and III
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Solutions of zinc sulphate (I)copper sulphate, (II) aluminum sulphate,...
Because aluminium and zinc are more reactive then iron so iron can't displace them from their solutions but only copper is less reactive then iron so iron easily displace it from its solution.
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Community Answer
Solutions of zinc sulphate (I)copper sulphate, (II) aluminum sulphate,...
It takes place onlyin aluminium sulphate and zinc sulphate... the answer given in the question is wrong
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Solutions of zinc sulphate (I)copper sulphate, (II) aluminum sulphate, (III) and iron sulphate, (IV) were taken in four test tubes. An iron nail was put in each solution and the system was left undisturbed for an hour. In which set up or set ups the iron nail be coated?a)I and IIb)only in IVc)only in IId)II and IIICorrect answer is option 'C'. Can you explain this answer?
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Solutions of zinc sulphate (I)copper sulphate, (II) aluminum sulphate, (III) and iron sulphate, (IV) were taken in four test tubes. An iron nail was put in each solution and the system was left undisturbed for an hour. In which set up or set ups the iron nail be coated?a)I and IIb)only in IVc)only in IId)II and IIICorrect answer is option 'C'. Can you explain this answer? for Class 10 2025 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Solutions of zinc sulphate (I)copper sulphate, (II) aluminum sulphate, (III) and iron sulphate, (IV) were taken in four test tubes. An iron nail was put in each solution and the system was left undisturbed for an hour. In which set up or set ups the iron nail be coated?a)I and IIb)only in IVc)only in IId)II and IIICorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 10 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Solutions of zinc sulphate (I)copper sulphate, (II) aluminum sulphate, (III) and iron sulphate, (IV) were taken in four test tubes. An iron nail was put in each solution and the system was left undisturbed for an hour. In which set up or set ups the iron nail be coated?a)I and IIb)only in IVc)only in IId)II and IIICorrect answer is option 'C'. Can you explain this answer?.
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