Daily Practice - 13+ Common Entrance
Common Entrance english, maths and science.
14th June 2019
- 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
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 wave has a frequency of 50 Hz and a wavelength of 4 m. Use wave speed = frequency x wavelength to calculate its speed.
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