A. it is a poisonous gas
B. it belongs to the halogen family
C. it is inert
D. of its high reactivity
Correct Answer:
Option D = of its high reactivity
A. it is a poisonous gas
B. it belongs to the halogen family
C. it is inert
D. of its high reactivity
Correct Answer:
Option D = of its high reactivity
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