D: reversible reaction
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Copper(II) carbonate powder was heated. The loss in mass was plotted against time as shown on the graph. During which…
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 …
In the extraction of aluminium by electrolysis, its oxide is dissolved in molten cryolite. Cryolite is a sodium salt.…
Which substance is not a raw material used in the manufacture of sulfuric acid?
A student mixed together aqueous solutions of Y and Z. A white precipitate formed. Which could not be Y and Z?