KEAM SERIES Chemistry
Radioactivity
2 previous year questions.
Volume: 2 Ques
Yield: Medium
High-Yield Trend
2
2025 Chapter Questions 2 MCQs
01
PYQ 2025
medium
chemistry ID: keam-202
When a radioactive material emits an -particle, its position in the periodic table
1
is lowered by three places
2
is increased by two places
3
remains unchanged
4
is lowered by two places
5
is increased by one place
02
PYQ 2025
medium
chemistry ID: keam-202
The dimensional formula for the product of the decay constant and the mean life of a radioactive substance is
1
2
3
4
5