Daily Practice - 13+ Common Entrance
Common Entrance english, maths and science.
13th October 2023
- 1Chemistry: The Periodic Table and Separating Mixtures
State the name given to a horizontal row of the periodic table.
- 2Chemistry: Reactions, Energy and Rates
A reaction between magnesium ribbon and hydrochloric acid gives off heat, and the temperature of the acid rises from 20 degrees C to 35 degrees C. State whether this reaction is exothermic or endothermic, and explain how you know.
- 3Chemistry: Metals, the Reactivity Series and Environmental Chemistry
State the method used to extract aluminium from its ore, and explain why this method is needed rather than reduction with carbon.
- 4Physics: 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.
- 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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