Daily Practice · GCSE Science

Daily Practice - GCSE Science

23rd January 1999

5 questions · GCSE · 584 questions in this band

1
Rates of Reaction
In the disappearing cross required practical, state the dependent variable that is measured.
2
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.
3
Organic Chemistry
Name the two industrial methods of cracking.
4
Alkanes, Alkenes and Crude Oil
State the general formula of the alkenes.
5
Alcohols, Carboxylic Acids and Polymers
Explain why carboxylic acids are described as 'weak acids'.

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