Daily Practice - 13+ Common Entrance
Common Entrance english, maths and science.
23rd June 2004
- 1Chemistry: Reactions, Energy and Rates
A student dissolves ammonium nitrate in water and the temperature of the solution falls. State whether this process is exothermic or endothermic.
- 2Chemistry: Metals, the Reactivity Series and Environmental Chemistry
Explain why attaching a block of zinc to the hull of a steel ship helps to protect the ship from rusting.
- 3Physics: Forces and Energy
In a tug of war, Team X pulls with a force of 640 N and Team Y pulls with a force of 590 N in the opposite direction. Calculate the resultant force acting on the rope.
- 4Physics: Electricity, Magnetism and Waves
A student doubles the frequency of a wave while keeping its speed the same. State what happens to the wavelength.
- 5Physics: Light, Sound and Space
State whether the Earth's day (one full rotation on its axis) or the Earth's year (one full orbit of the Sun) takes longer.
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