Daily Practice · 13+ Common Entrance

Daily Practice - 13+ Common Entrance

12th December 2000

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

1
Biology: Respiration, Digestion and Gas Exchange
Name the substance that builds up in muscles during anaerobic respiration and causes fatigue.
2
Chemistry: Materials
A block of wood has a mass of 60 g and a volume of 80 cm^3. Calculate its density.
3
Chemistry: Acids, Reactions and the Periodic Table
Name the salt produced when zinc reacts with sulfuric acid.
4
Chemistry: The Periodic Table and Separating Mixtures
In a chromatography experiment, the solvent front travels 10 cm and a dye spot travels 4 cm. Calculate the Rf value of the dye.
5
Chemistry: Reactions, Energy and Rates
State whether an exothermic reaction transfers energy to, or takes in energy from, the surroundings.

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