Daily Practice · 13+ Common Entrance

Daily Practice - 13+ Common Entrance

23rd May 1994

5 questions · Years 7-8 · 744 questions in this band

1
Chemistry: The Periodic Table and Separating Mixtures
State whether reactivity increases or decreases going down Group 1, the alkali metals.
2
Chemistry: Reactions, Energy and Rates
Explain, using collision theory, why crushing a solid into a powder increases the rate of reaction.
3
Chemistry: 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.
4
Physics: Forces and Energy
State whether the main force acting when a compass needle points north is a contact force or a non-contact force.
5
Physics: Electricity, Magnetism and Waves
In a series circuit, an ammeter placed before a bulb reads 0.6 A. State the current a second ammeter, placed elsewhere in the same series circuit, would read.

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