Daily Practice · GCSE Science

Daily Practice - GCSE Science

Biology, chemistry and physics recall, definition and calculation, drawn from every strand.

7th May 2023

5 questions · GCSE · 584 questions in this band

1
Chemical Bonding: Ionic, Covalent and Metallic
Write the formula of calcium chloride and explain the ratio.
2
Structures, Properties and Nanoparticles
Give one use of nanoparticles and one associated risk.
3
Quantitative Chemistry
Magnesium is burned in an open crucible and the mass increases. Explain why.
4
Moles, Formulae and Equations
Why is the amount of product directly proportional to the amount of limiting reactant?
5
Concentration, Yield and Atom Economy
Give the formula for percentage yield.

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