Q. 1 J5.0( 1 Vote )

Make the co A. (a-2). (b-3), (c-1), (d-4)

B. (a-4), (b-2), (c-1), (d-3)

C. (a-3), (b-4), (c-2), (d-1)

D. (a-2), (b-3), (c-1), (d-4)

Answer :


The chemical formula of sulphurous acid is H2SO3.

The structure of sulphurous acid is:


The chemical formula of sulphuric acid is H2SO4.

The structure of sulphuric acid is:


Oleum is also known as fuming sulphuric acid. The chemical formula of oleum is H2S2O7.

The structure of oleum is:


The chemical formula of phosphoric acid is H3PO4.

The structure of phosphoric acid is:

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