JEE Main Chemistry · Some Basic Concepts of Chemistry
Percentage Purity Calculations
Percentage Purity Calculations (Some Basic Concepts of Chemistry) was asked once in the 42 JEE Main shifts Lumi analysed, in 2025. 1 of the 1 had a numerical answer.
- Times asked
- 1
- in 1 shift
- Years
- 2025
- Usual format
- Numerical value
- Calculation
- Pattern
- New since 2024
- asked once so far
How it is asked
- Product mass from impure reactant
Difficulty
Easy 1Medium 0Hard 0
Where it sits
Chapter: Some Basic Concepts of Chemistry. Topic: Stoichiometry, 38 questions over 16 ideas.
Other repeat ideas in this topic
Every time it came
The question
Newest first, each with its options and official answer.