B) during the electrolysis of molten potassium chloride, potassium ions are reduced
to potassium metal. at which electrode would you expect this reaction to occur?
[1]
[total 3 marks]

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space

How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)

Which of the following describes a situation where competition between producers exists