Class 12 Chemistry p-Block Elements (Class 12)Oxygen family

Medium

Select the correct statement.

A
$O_3$ is a dry bleaching agent.
B
Phosgene,tear gas,and mustard gas are all non-poisonous.
C
Sulphuric acid is used in petroleum refining.
D
Both $(A)$ and $(C)$ are correct.

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

p-Block Elements (Class 12)

Subtopic

Oxygen family

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MediumAIIMS 2008

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