Daily Practice

GCSE Science

13th November 1988

5 questions · GCSE · 584 questions in this band

1
Rate and Extent of Chemical Change
State the four factors that can increase the rate of a chemical reaction.
2
Rates of Reaction
State the condition, in terms of energy, that colliding particles must meet for a reaction to occur.
3
Reversible Reactions and Equilibrium
State the two named reactants used in the Haber process.
4
Organic Chemistry
Hexadecane (C16H34) is cracked to produce dodecane (C12H26) and one other product. Calculate the molecular formula of the other product.
5
Alkanes, Alkenes and Crude Oil
Name the alkene with the molecular formula C4H8.

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