Practice & Test Some Basic Concepts of Chemistry
Class 11 Chemistry · Chapter 1. Practice 76 free NEET 2027 questions on Some Basic Concepts of Chemistry (Class 11 Chemistry), across 28 concepts. Asked ~2.3× per paper since 2013.
How much does Some Basic Concepts of Chemistry matter?
Across the 13 NEET papers from 2013 to 2025, Some Basic Concepts of Chemistry has been examined 30 times — an average of 2.3 questions per paper. At 4 marks each, that is roughly 9 marks a year riding on this one chapter.
What gets asked: 28 concepts
Every question in the bank is tagged to one of these, so practice can target the exact idea you keep missing.
Sample questions
The number of moles of oxygen atoms present in $44\ \text{g}$ of $\text{CO}_2$ is (Atomic masses: $\text{C}=12$, $\text{O}=16$):
$3\ \text{g}$ of $\text{H}_2$ reacts with $29\ \text{g}$ of $\text{O}_2$ according to $2\text{H}_2 + \text{O}_2 \rightarrow 2\text{H}_2\text{O}$. The mass of water formed is:
The volume of $0.1\ \text{M}$ $\text{H}_2\text{SO}_4$ required to completely neutralise $20\ \text{mL}$ of $0.2\ \text{M}$ $\text{NaOH}$ is:
Start practicing Some Basic Concepts of Chemistry now
Practice adapts as you go — get one wrong and the next question targets the same concept instead of moving on. Or sit a timed test to see where you actually stand.
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