Daily Practice · GCSE Science

Daily Practice - GCSE Science

30th March 1995

5 questions · GCSE · 584 questions in this band

1
Electrolysis
Concentrated sodium chloride solution (brine) is electrolysed using inert electrodes. State the products formed at the cathode and at the anode.
2
Energy Changes
State whether the combustion of methane is exothermic or endothermic.
3
Exothermic and Endothermic Reactions
State the energy transfer that occurs during an endothermic reaction.
4
Bond Energies, Cells and Fuel Cells
State the two substances that react inside a hydrogen fuel cell.
5
Rate and Extent of Chemical Change
State what is meant by a catalyst.

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