Choose the right statement:Applied chemistry-II — task. Science Test Space, Class 8.

Choose the correct statement:

1. __________ is known as radiochemistry.

The study of radioactive and non-radioactive isotope chmistry
The study of radioactive and non-radioactive isotope chemistry

2. Radiotherapy is a __________.

treatment of disease with radioactive isotopes
treatment of disease with radioactive isotobes

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