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23. Which of the following pair will show displacement reaction and why?(a) FeSO, and Copper metal(b) FeSO, and Aluminium metal.OrObserve the following reactions:BariumchlorideIron naFerroussulphateSodiumsulphateWaterQuicklimeCoppersulphateMention the type of reaction taking place in each of the above cases A, B, C and D

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