Daily Practice · GCSE Science

Daily Practice - GCSE Science

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

12th July 2023

5 questions · GCSE · 584 questions in this band

1
Quantitative Chemistry
Calculate the Mr of Ca(OH)2. (Ca = 40, O = 16, H = 1)
2
Moles, Formulae and Equations
In the equation 2H2 + O2 gives 2H2O, how many moles of water are formed from 3 mol of hydrogen?
3
Concentration, Yield and Atom Economy
Calculate the concentration in moles per cubic decimetre of a solution containing 0.5 mol in 250 cubic centimetres.
4
Chemical Changes
Write the word equation for the reaction between zinc and hydrochloric acid.
5
Reactivity, Acids and Salts
Name the salt made from zinc oxide and nitric acid.

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