Daily Practice

GCSE Science

9th January 1991

5 questions · GCSE · 584 questions in this band

1
Bond Energies, Cells and Fuel Cells
State one factor that affects the size of the voltage produced by a chemical cell.
2
Rate and Extent of Chemical Change
State two units that the rate of a reaction can be measured in.
3
Rates of Reaction
State the condition, in terms of energy, that colliding particles must meet for a reaction to occur.
4
Reversible Reactions and Equilibrium
State the two named reactants used in the Haber process.
5
Organic Chemistry
Hexadecane (C16H34) is cracked to produce dodecane (C12H26) and one other product. Calculate the molecular formula of the other product.

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