CDS Chemistry · Teaching notes
CDS Chemistry — Teaching Notes
11 chapters of CDS Chemistry, written to be taught from directly or read alone. No chapter assumes you have read the others, so start wherever you are weakest. The question counts below are live, straight from the bank.
Chapters
Acids, Bases and Salts
Acids, Bases and Salts is the largest chemistry chapter in CDS General Knowledge: 40 past-year questions from 2016 (II) to 2026 (II), in 18 of the 20 sittings.
40 PYQs · 4 subtopicsAtomic Structure and Periodic Classification
Atomic Structure and Periodic Classification has 26 past-year questions in CDS General Knowledge, from 2018 (I) to 2026 (I), and none of them is HARD.
26 PYQs · 3 subtopicsMetals and Non-Metals
Metals and Non-Metals has 22 past-year questions in CDS General Knowledge, from 2018 (II) to 2026 (II), most of them EASY or MODERATE.
22 PYQs · 4 subtopicsCarbon and Its Compounds
Carbon and Its Compounds has 21 past-year questions in CDS General Knowledge, from 2016 (II) to 2026 (I), and six of them are HARD, the most of any chemistry chapter.
21 PYQs · 4 subtopicsMatter and Its States
Matter and Its States has 19 past-year questions in CDS General Knowledge, from 2017 (II) to 2026 (I), and only one of them is HARD.
19 PYQs · 4 subtopicsChemical Reactions
Chemical Reactions has 19 past-year questions in CDS General Knowledge, from 2016 (II) to 2026 (II), and 2023 alone set seven of them.
19 PYQs · 3 subtopicsIndustrial and Applied Chemistry
Industrial and Applied Chemistry has 14 past-year questions in CDS General Knowledge, from 2016 (II) to 2025 (II), and the 2024 (II) paper alone set four of them.
14 PYQs · 3 subtopicsMole Concept and Stoichiometry
Mole Concept and Stoichiometry has 11 past-year questions in CDS General Knowledge, from 2017 (II) to 2026 (II), and it is where CDS chemistry most often asks you to calculate.
11 PYQs · 2 subtopicsChemistry in Everyday Life
Chemistry in Everyday Life has 9 past-year questions in CDS General Knowledge, from 2016 (II) to 2026 (I), about one every year.
9 PYQs · 2 subtopicsChemical Bonding
Chemical Bonding has 9 past-year questions in CDS General Knowledge, from 2016 (II) to 2025 (II), roughly one every year.
9 PYQs · 3 subtopicsHydrogen and Water
Hydrogen and Water has 5 past-year questions in CDS General Knowledge, from 2018 (I) to 2026 (I), and all of them are about water rather than hydrogen.
5 PYQs · 1 subtopics