Metals and Non-Metals
18 NDA Chemistry previous year questions (PYQs) from 9 papers, 2017 to 2026, with answers and worked solutions.
About this chapter
- Difficulty: 9 easy · 9 moderate.
- Most-asked subtopics: Reactivity Series and Reactions with Water (7), Corrosion and Its Prevention (5), Alloys and Their Composition (4).
- Updated 14 September 2026.
- NDA · Sep 2026 · Q80Moderate
#1Reactivity Series and Reactions with Water
- NDA · Apr 2018 · Q106Moderate
#2Reactivity Series and Reactions with Water
#3Reactivity Series and Reactions with Water
- NDA · Sep 2022 · Q68Moderate
#4Reactivity Series and Reactions with Water
- NDA · Sep 2022 · Q69Moderate
#5Reactivity Series and Reactions with Water
Done a few? Here’s your next move
- NDA · Apr 2023 · Q108Moderate
#6Reactivity Series and Reactions with Water
#7Reactivity Series and Reactions with Water
#8Extraction of Metals and Ores
- NDA · Sep 2023 · Q113Moderate
#9Extraction of Metals and Ores
#10Corrosion and Its Prevention
- NDA · Sep 2017 · Q116Moderate
#11Corrosion and Its Prevention
#12Corrosion and Its Prevention
#13Corrosion and Its Prevention
#14Corrosion and Its Prevention
- NDA · Apr 2018 · Q107Moderate
#15Alloys and Their Composition
#16Alloys and Their Composition
- NDA · Sep 2023 · Q57Moderate
#17Alloys and Their Composition
#18Alloys and Their Composition