Q:5 What are the two forms of oxygen found in the atmosphere?
Two forms of oxygen found in the atmosphere are:
(i) Dioxygen or diatomic oxygen O2
(ii) Ozone or triatomic Ozone O3
CBSE Class 10 board exams twice a year ‘relief’ or ‘burden’? Parents, schools share mixed views
CBSE Class 10 exams twice a year from 2026; 64.4% students in favor, second attempt optional
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