Daily Practice

GCSE Science

8th April 1993

5 questions · GCSE · 584 questions in this band

1
Bond Energies, Cells and Fuel Cells
State whether forming a new chemical bond requires energy or releases energy.
2
Rate and Extent of Chemical Change
State the four factors that can increase the rate of a chemical reaction.
3
Rates of Reaction
In the gas-volume required practical measuring how concentration affects rate, state one variable that should be controlled.
4
Reversible Reactions and Equilibrium
State what is meant by dynamic equilibrium.
5
Organic Chemistry
State what happens to the boiling point of hydrocarbons as their chain length increases.

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