Which of the following is a lung irritant that can lead to an acute respiratory disease in children?
- A$SO_2$
- B$CO_2$
- C$CO$
- D$NO_2$
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Have you ever observed any water pollution in your area? What measures would you suggest to control it?
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View SolutionThe presence of ozone in the troposphere:
Match the items in List-$I$ with the items in List-$II$ and select the correct answer from the given options:
List-$I$ List-$II$ $A$. Bleaching of paper $I$. $CF_2Cl_2$ $B$. Eye irritant $II$. $H_2O_2$ $C$. Freons $III$. $Na_2AsO_3$ $D$. Herbicide $IV$. $PAN$ $V$. $CO_2$
| List-$I$ | List-$II$ |
| $A$. Bleaching of paper | $I$. $CF_2Cl_2$ |
| $B$. Eye irritant | $II$. $H_2O_2$ |
| $C$. Freons | $III$. $Na_2AsO_3$ |
| $D$. Herbicide | $IV$. $PAN$ |
| $V$. $CO_2$ |
For dry cleaning of clothes,instead of tetrachloroethene,which is carcinogenic in nature,which of the following solvents can be used?
MediumNEET 2017
View SolutionMethemoglobinemia is due to
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