Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
15th January 2026
- 1Chemical Bonding: Ionic, Covalent and Metallic
What type of bonding is present in a compound formed between a metal and a non-metal?
- 2Structures, Properties and Nanoparticles
Why can an ionic solid not conduct electricity?
- 3Quantitative Chemistry
Calculate the Mr of Ca(OH)2. (Ca = 40, O = 16, H = 1)
- 4Moles, Formulae and Equations
In the equation 2H2 + O2 gives 2H2O, how many moles of water are formed from 3 mol of hydrogen?
- 5Concentration, Yield and Atom Economy
Calculate the concentration in moles per cubic decimetre of a solution containing 0.5 mol in 250 cubic centimetres.
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