JEE Main Chemistry · The s-Block Elements
Biological Role of Na and K
Biological Role of Na and K (The s-Block Elements) was asked 2 times in 2 JEE Main shifts, 2023, out of the 42 shifts Lumi analysed.
- Times asked
- 2
- in 2 shifts
- Years
- 2023
- Usual format
- Assertion–reason
- Conceptual
- Pattern
- Occasional
- repeats across shifts
How it is asked
- Assertion-reason on alkali metals
- Match list on uses of s-block compounds
Difficulty
Easy 0Medium 2Hard 0
Where it sits
Chapter: The s-Block Elements. Topic: s-Block Elements, 21 questions over 16 ideas.
Other repeat ideas in this topic
Every time it came
All 2 questions
Newest first, each with its options and official answer.
- 8 Apr 2023, Shift 2 · Q67Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R Assertion A : Sodium is about 30…MediumAssertion–reason
- 11 Apr 2023, Shift 1 · Q67Match List-I with List-II: List-I | List-II A. K | I. Thermonuclear reactions B. KCl | II. Fertilizer C. KOH | III. Sodium potassium pump…MediumMatch the list