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Subjects
Science CBSE
Class 9
Structure of the atom
Textbook based HOTS
25.
Multiple Choice Question Answer XXV
Exercise condition:
2
m.
1.
Which isotope is used in treatment of cancer ?
2.
The charge of an electron is
Answer variants:
\(1.6\) x \(10^-{^1}{^9}\) C
Iodine-131
\(3.2\) x \(10^-{^1}{^9}\) C
Cobalt-60
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