Daily Practice · GCSE Science

Daily Practice - GCSE Science

24th August 1995

5 questions · GCSE · 584 questions in this band

1
Concentration, Yield and Atom Economy
Convert 250 cubic centimetres into cubic decimetres.
2
Chemical Changes
State the name given to a reaction in which a substance loses electrons.
3
Reactivity, Acids and Salts
Explain the difference between a strong acid and a concentrated acid.
4
Electrolysis
State the two materials commonly used as inert electrodes in electrolysis, and explain why they must be inert.
5
Energy Changes
Explain, in terms of bonds, why breaking bonds is an endothermic process.

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