HARD
12th Odisha Board
IMPORTANT
Earn 100

Ozone is tested by
(a)
(b)
(c)
(d)

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Important Questions on Group 16 Elements : Oxygen Family
HARD
12th Odisha Board
IMPORTANT
When is passed through a solution of in water.

EASY
12th Odisha Board
IMPORTANT
Which of the following is known as king of chemicals.

HARD
12th Odisha Board
IMPORTANT
Which of the following hydrides of oxygen family shows the lowest boiling points?
