Which gas is released when chlorine free radicals react with ozone?
- A$Cl_2$
- B$O_2$
- C$CO$
- D$ClO_2$
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Which of the following is/are estimated by titrating polluted water with potassium dichromate solution in acidic medium?
$COD$ $BOD$ $DO$ $I$ $II$ $III$
| $COD$ | $BOD$ | $DO$ |
|---|---|---|
| $I$ | $II$ | $III$ |
On which bases can non-viable particulates be classified?
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View SolutionGreenhouse gases can be arranged in the 'Global Warming Potential' $(GWP)$ sequence as:
MediumAIEEE 2012
View SolutionWhich of the following metals causes water pollution?
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View SolutionMatch the water pollutants given in List-$I$ with their sources given in List-$II$.
List-$I$ List-$II$ $A$. Toxic heavy metals $1$. Soil erosion from agricultural and mineral industries. $B$. Pesticides $2$. Domestic sewage disposal. $C$. Sediments $3$. Chemical factories and industries. $D$. Microorganisms $4$. Substances used to kill insects,fungi,and weeds.
| List-$I$ | List-$II$ |
|---|---|
| $A$. Toxic heavy metals | $1$. Soil erosion from agricultural and mineral industries. |
| $B$. Pesticides | $2$. Domestic sewage disposal. |
| $C$. Sediments | $3$. Chemical factories and industries. |
| $D$. Microorganisms | $4$. Substances used to kill insects,fungi,and weeds. |
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