Daily Practice · GCSE Science

Daily Practice - GCSE Science

Biology, chemistry and physics recall, definition and calculation, drawn from every strand.

6th March 2019

5 questions · GCSE · 584 questions in this band

1
Rate and Extent of Chemical Change
Explain, using collision theory, why increasing the concentration of a reactant in solution increases the rate of a reaction.
2
Rates of Reaction
In the disappearing cross required practical, state the dependent variable that is measured.
3
Reversible Reactions and Equilibrium
In the Haber process, state the effect of removing some ammonia from the equilibrium mixture as it forms on the position of equilibrium.
4
Organic Chemistry
Name the two industrial methods of cracking.
5
Alkanes, Alkenes and Crude Oil
State the general formula of the alkenes.

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