A-LevelChemistryGroup 29701/12 · Oct/Nov 2017 · Q191 Mark
X is a mixture of two compounds of Group 2 elements. X undergoes thermal decomposition to produce a white solid and only two gaseous products. One of the gaseous products relights a glowing splint. What could be the components of mixture X?
AMgCl2 and CaCO3
BMgCO3 and Ca(NO3)2
CMg(NO3)2 and Ca(NO3)2
DMgO and CaO
✓ Correct answer
C: Mg(NO3)2 and Ca(NO3)2
Practise more questions on this topic
Oracle Prep sorts past-paper questions by topic, so you can drill Group 2 and see which topics are most likely to come up next.
Sign up free →