Daily Practice · GCSE Science

Daily Practice - GCSE Science

5th December 1994

5 questions · GCSE · 584 questions in this band

1
Reactivity, Acids and Salts
Name the salt made from zinc oxide and nitric acid.
2
Electrolysis
State the two materials commonly used as inert electrodes in electrolysis, and explain why they must be inert.
3
Energy Changes
Using the values in the previous question, calculate the overall energy change for the reaction.
4
Exothermic and Endothermic Reactions
State the energy transfer that occurs during an endothermic reaction.
5
Bond Energies, Cells and Fuel Cells
State the two substances that react inside a hydrogen fuel cell.

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