Daily Practice

GCSE Science

28th November 1992

5 questions · GCSE · 584 questions in this band

1
Rate and Extent of Chemical Change
State two units that the rate of a reaction can be measured in.
2
Rates of Reaction
In the gas-volume required practical measuring how concentration affects rate, state one variable that should be controlled.
3
Reversible Reactions and Equilibrium
State what is meant by dynamic equilibrium.
4
Organic Chemistry
State what happens to the boiling point of hydrocarbons as their chain length increases.
5
Alkanes, Alkenes and Crude Oil
Name the catalyst used when an alkene reacts with hydrogen to form an alkane.

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