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What is the source of radioactive CO(2) ...

What is the source of radioactive `CO_(2)` in the atmosphere?

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`._(7)N^(14)` is hit by cosmic ray neutrons to produce `._(6)C^(14)` which is radioactive and is oxidized to produce radioactive `XO_(2)`.
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CENGAGE CHEMISTRY ENGLISH-NCERT BASED EXERCISE-Short Answer Type Questions
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  14. What is the total life of a radioactive element ?

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  15. What is the source of radioactive CO(2) in the atmosphere?

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  16. What are transactinides ? To which block do they belong ?

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  18. Name the fundamental particle which exists in the nucleus

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  20. C-14 is formed in the upper atmosphere. Why it does not occur at the ...

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