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← Bihar Board Class 12 PYQ
The p-Block Elements
Bihar Board Class 12 · Chemistry · 73 past questions
Topic
Group 15: Nitrogen family
4
Group 16: Oxygen family
3
Phosphorus and its compounds
2
Group 18: Noble gases
1
Periodic trends and general p-block properties
1
Group 13 and 14: Boron and carbon families
0
Group 17: Halogens
0
Level
Easy
1
Moderate
0
Year
2026
1
2025
0
2024
1
2023
1
2022
0
2021
0
2019
1
2018
0
2017
0
2016
1
2015
1
1 of 73 ·
show all
Q46
2019 Set D
The hybridisation of N in $NH_3$ is -
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