Question
Complete and balance the following chemical equations: (i) Al 2 O 3 + HCl ? (ii) K 2 O + H 2 O ? (iii)
Complete and balance the following chemical equations:
(i) Al2O3 + HCl ?
(ii) K2O + H2O ?
(iii) Fe + H2O ?
(b) An element ‘X’ displaces iron from the aqueous solution of iron sulphate. List your observations if the element ‘X’ is treated with the aqueous solutions of copper sulphate, zinc sulphate and silver nitrate. Based on the observations arrange X, Zn, Cu and Ag in increasing order of their reactivities.
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Chemistry The Central Science
Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward
12th edition
321696727, 978-0132175081, 978-0321696724
