Q.

Which are strong acids?

(P) HI     (Q) HNO3

(R) H2SO3

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a

P, Q and R

b

Q and R only

c

P and Q only 

d

Q only 

answer is B.

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Detailed Solution

Strong acids totally ionise in water to produce a significant number of hydrogen ions.

HI and HNO3 are strong acids.

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Which are strong acids?(P) HI     (Q) HNO3(R) H2SO3