Class 7 Science e-Book's MCQs - Complete
Download Uses of Radioisotopes App MCQs & e-Book PDF - 32
Apps:
MCQ 32:
To trace the path of phosphorus, the isotope of phosphorus which is added to the fertilizers, is
- Phosphorus-31
- Phosphorus-32
- Phosphorus-33
- Phosphorus-34
b
Class 7 Science App & e-Book Tests PDF Download
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Uses of Radioisotopes Textbook App: Free Download (Android & iOS)
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7th Grade Science MCQs eBook Download
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