Science, asked by thesilentkiller377, 10 months ago

10 mL of freshly prepared iron sulphate was taken in each of four testtubes. Strips of copper, iron, zinc and aluminium were introduced,each metal in a different test tube. A black residue was obtained in two test tube. The right pair ofmetals forming the precipitates is
a. copper and zinc b.aluminium and copper
c. iron and aluminium d.zinc and aluminium​

Answers

Answered by tvbr
2

Answer:

zinc and aluminum as only they can displace iron

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