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Which of the following causes damage to ...

Which of the following causes damage to the building containing calcium and responsible for cough and choking in human?

A

Sulphur

B

Carbon

C

Nitrogen dioxide

D

Sulphur dioxide.

Text Solution

Verified by Experts

The correct Answer is:
D
`SO_2` dissolves in `H_2O` in the presence of `O_2` to give `H_2SO_4`
`2SO_2 + 2H_2O + O_2 to H_2SO_4`
`H_2SO_4` (or even `H_2SO_3`) reacts with marble `(CaCO_3)` and damage it. `SO_2` is responsible for cough and choking in human.
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