13+ Common Entrance
10th August 1991
- 1Chemistry: The Periodic Table and Separating Mixtures
State one physical property that distinguishes a typical non-metal from a typical metal.
- 2Chemistry: Reactions, Energy and Rates
State two factors, other than using a catalyst, that increase the rate of a reaction between a solid and a solution.
- 3Chemistry: Metals, the Reactivity Series and Environmental Chemistry
State one way that painting a garden gate helps to prevent it from rusting.
- 4Physics: Forces and Energy
A parcel of mass 2.5 kg is lifted onto a shelf 2 m above the ground. Take g = 10 N/kg and use GPE = mass x g x height. Calculate the gain in gravitational potential energy.
- 5Physics: Electricity, Magnetism and Waves
A student doubles the frequency of a wave while keeping its speed the same. State what happens to the wavelength.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1991, including the monthly compilation PDF.