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Chemical Reactions and Equations
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03/09/2021 12:11 pm
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A strip of metal X is dipped in a blue coloured salt solution YSO4. After some time, a layer of metal Y from the salt solution is formed on the surface of metal strip X. Metal X is used in galvanisation whereas metal Y is used in making electric wires. Metal X and metal Y together form an alloy Z.
(a) What could metal X be?
(b) What could metal Y be?
(c) Name the metal salt YSO4.
(d) What type of chemical reaction takes place when metal X reacts with salt solution YSO4? Write the equation of the chemical reaction involved.
(e) Name the alloy Z.
1 Answer
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03/09/2021 12:15 pm
(a) Metal X is Zinc (Zn).
(b) Metal Y is Copper (Cu).
(c) The metal salt YSO4 is Copper sulphate (CuSO4)
(d) Displacement reaction;
CuSO4 (aq) + Zn(s) → ZnSO4 (aq) + Cu (s)
(e) Brass