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Subjects
Science State Board
Class 9
Applied chemistry
Radio to Forensic chemistry
1.
Choose the best: Radiochemistry
Exercise condition:
3
m.
Select the right answer to the following questions:
1.
Radioactive decay is a __________.
All of these
Unstable elements lose energy by radiation
Unstable elements gain energy by heat
Unstable elements lose energy by heat
2.
Which isotope is used in radiocarbon dating?
Carbon-\(15\)
Carbon-\(13\)
Carbon-\(12\)
Carbon-\(14\)
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