Daily Practice · 13+ Common Entrance

Daily Practice - 13+ Common Entrance

29th June 1996

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

1
Chemistry: Materials
A block of wood has a mass of 60 g and a volume of 80 cm^3. Calculate its density.
2
Chemistry: Acids, Reactions and the Periodic Table
State the colour universal indicator turns in a strong alkali.
3
Chemistry: The Periodic Table and Separating Mixtures
State the name given to a horizontal row of the periodic table.
4
Chemistry: 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.
5
Chemistry: 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.

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