Daily Practice

GCSE Science

10th November 1970

5 questions · GCSE · 584 questions in this band

1
Moles, Formulae and Equations
Why is the amount of product directly proportional to the amount of limiting reactant?
2
Concentration, Yield and Atom Economy
Give the formula for percentage yield.
3
Chemical Changes
State the name given to a reaction in which a substance loses electrons.
4
Reactivity, Acids and Salts
Give the ionic equation for neutralisation.
5
Electrolysis
State the two materials commonly used as inert electrodes in electrolysis, and explain why they must be inert.

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