Pearson Edexcel IAL Chemistry A2 12.SP5 Further suggested practical: endothermic reaction
Pearson Edexcel IAL Chemistry A2 12.SP5 Further suggested practical: endothermic reaction

Pearson Edexcel IAL Chemistry syllabusChemistry YCH11First assessment 2019
Practise recognising endothermic practical evidence when two solids react, including barium hydroxide and ammonium chloride.