Daily Practice

GCSE Science

25th April 1993

5 questions · GCSE · 584 questions in this band

1
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.
2
Organic Chemistry
Name the two industrial methods of cracking.
3
Alkanes, Alkenes and Crude Oil
State the general formula of the alkenes.
4
Alcohols, Carboxylic Acids and Polymers
Explain why carboxylic acids are described as 'weak acids'.
5
Chemical Analysis
State the reagent added, and the result, that shows a white solid contains sulfate ions.

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