Matter and Its States
19 CDS Chemistry past-year questions from 11 papers, 2017 to 2026, with answers and worked solutions.
About this chapter
- Difficulty: 8 easy · 10 moderate · 1 hard.
- Most-asked subtopics: Compounds, Mixtures and Solutions (6), States of Matter, Phase Changes and Diffusion (6), Separation Techniques (4).
- Updated 28 August 2026.
#1States of Matter, Phase Changes and Diffusion
#2States of Matter, Phase Changes and Diffusion
#3States of Matter, Phase Changes and Diffusion
#4States of Matter, Phase Changes and Diffusion
#5States of Matter, Phase Changes and Diffusion
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#6States of Matter, Phase Changes and Diffusion
#7Compounds, Mixtures and Solutions
#8Compounds, Mixtures and Solutions
#9Compounds, Mixtures and Solutions
#10Compounds, Mixtures and Solutions
#11Compounds, Mixtures and Solutions
#12Compounds, Mixtures and Solutions
#13Separation Techniques
#14Separation Techniques
#15Separation Techniques
#16Separation Techniques
#17Colloids and Suspensions
#18Colloids and Suspensions
#19Colloids and Suspensions