NEET UG 2023 · Chemistry · Question 56
NEET 2023 Chemistry, question 56
Question 56 of the NEET 2023 paper (code G6) is a Chemistry question from Some Basic Concepts of Chemistry. Its idea, Percentage Purity of a Sample, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 3.
Updated 2026-10-08
Q56 · Chemistry
The right option for the mass of CO produced by heating 20 g of 20% pure limestone is (Atomic mass of Ca = 40)
- 11.32 g
- 21.12 g
- 31.76 gOfficial answer
- 42.64 g
Official answer: option 3 · NTA final answer key
Same idea
The only question on Percentage Purity of a Sample
No other NEET paper from 2017–2026 tested this exact idea.
Percentage Purity of a Sample: every question and how it was framed
The chapter
Some Basic Concepts of Chemistry in ten years of NEET
14 questions from 2017–2026, asked in 9 of 10 papers, about 1.3 a paper. Mole Concept alone had 14.