Oxides of sulphur and nitrogen can be removed by scrubbing with

1.	Oxides of sulphur and nitrogen can be removed by scrubbing with
A.	\[Ca{{(OH)}_{2}}\]
B.	\[{{H}_{2}}S{{O}_{4}}\]
C.	Both [a] and [b]
D.	None of these
Answer» D. None of these

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Oxides of sulphur and nitrogen can be removed by scrubbing with

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