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Important questions on Sulphuric Acid

Which of the following chemical reactions depicts the oxidizing behaviour of ?

A
B
C
D
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Hydrolysis of sulphuryl chloride produces :

A
sulphur dioxide.
B
sulphur trioxide.
C
sulphuric acid.
D
none of the above.
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The general methods of preparation of sulfuric acid are ________.

A
By action of heat on nitric acid and sulphur
B
By dissolution of sulphur trioxide in water
C
By hydrolysis of sulphuryl chloride
D
All of the above
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Assertion

Conc. cannot be used to prepare pure HBr from NaBr.

Reason

It reacts slowly with NaBr.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
C
Assertion is correct but Reason is incorrect
D
Both Assertion and Reason are incorrect
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Oleum is:

A
castor oil
B
oil of vitriol
C
fuming sulphuric acid
D
none of these
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