Daily Practice

GCSE Science

25th September 1984

5 questions · GCSE · 584 questions in this band

1
Chemical Changes
Write the word equation for the reaction between zinc and hydrochloric acid.
2
Reactivity, Acids and Salts
Define oxidation in terms of electrons.
3
Electrolysis
State the name given to the negative electrode in electrolysis.
4
Energy Changes
State whether the combustion of methane is exothermic or endothermic.
5
Exothermic and Endothermic Reactions
State the energy transfer that occurs during an exothermic reaction.

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