Daily Practice - 13+ Common Entrance
Common Entrance english, maths and science.
18th November 2013
- 1Chemistry: The Periodic Table and Separating Mixtures
State whether reactivity increases or decreases going down Group 1, the alkali metals.
- 2Chemistry: Reactions, Energy and Rates
Explain, using collision theory, why crushing a solid into a powder increases the rate of reaction.
- 3Chemistry: Metals, the Reactivity Series and Environmental Chemistry
Name the gas released when fossil fuels are burned that is the main cause of the enhanced greenhouse effect.
- 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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