Chemistry

Some Basic Concepts in Chemistry

Appeared 88 times across 20 years of JEE Main papers — about 4.4 questions a year. Every one of them is below, with a full worked solution.

Questions per year

3’02

2’03

3’04

2’05

2’06

2’07

1’11

1’12

3’13

1’14

1’15

2’16

4’17

4’18

16’19

5’20

2’21

13’22

12’23

9’24

Questions

Practise this topic

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We have the frequency data for Some Basic Concepts in Chemistry but haven’t run its papers through the pipeline yet. The 88 questions above are counted from official answer keys; the worked solutions follow once each one clears verification.