B: Na
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Which element can only be extracted from its ore using electrolysis?
Aqueous copper(II) sulfate is electrolysed using copper electrodes. Which equation represents the reaction taking pla…
Which gases are formed during the production of aluminium by electrolysis of molten aluminium oxide?
The usual conditions for the Haber process are 250 atm pressure, 450°C and an iron catalyst. Which change in conditio…
Chlorine can be manufactured by the following reaction. 4HCl(g) + O2(g) ⇌ 2H2O(g) + 2Cl2(g) ΔH is negative A mixture …
Equations for reactions of iron and iron compounds are shown. Fe + 2HCl → FeCl2 + H2 2FeCl2 + Cl2 → 2FeCl3 FeSO4 + Mg…