Solutions is Unit 5 of NEET Chemistry and Chapter 1 of NCERT Class XII. This free practice test covers types of solutions, ways of expressing concentration, solubility of gases and Henry's law, vapour pressure and Raoult's law, ideal and non-ideal solutions, azeotropes, colligative properties (relative lowering of vapour pressure, elevation of boiling point, depression of freezing point and osmotic pressure) and the van't Hoff factor. Each test has 15 NEET-pattern MCQs to finish in 15 minutes, with instant scoring and a full answer review. New question sets are published regularly.