Daily Practice
GCSE Science
← All tiers
2nd December 1965
- 1Moles, Formulae and Equations
Calculate the number of moles in 88 g of carbon dioxide. (Mr = 44)
- 2Concentration, Yield and Atom Economy
State two reasons why a percentage yield is less than 100 percent.
- 3Chemical Changes
Calculate the number of moles of sodium hydroxide in 200 cm3 of a 0.500 mol/dm3 solution.
- 4Reactivity, Acids and Salts
Complete: acid + metal carbonate gives ...
- 5Electrolysis
Molten zinc chloride, ZnCl2, is electrolysed using inert electrodes. Write the half equation for the reaction at (a) the cathode, and (b) the anode.
You are looking at an earlier sheet. Today's sheet is the one that adds a day.
Your run is kept in this browser only, and there is no account.
Recent GCSE Science sheets
Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1965, including the monthly compilation PDF.