A-LevelChemistryChemical periodicityMay/June 2021Paper 2 Q311 Marks
Separate samples of R, S, T and U are added to cold water. The identity of each sample is unknown. However, each sample is known to be pure and can only be one of Ba(OH)2, NaCl, P4O10 or SiCl4. [Table with state at room temperature, observations on addition of sample to water]
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