Green chemistry means such reactions which
- Aare related to the depletion of ozone layer
- Bstudy the reactions in plants
- Cproduce colour during reactions
- Dreduce the use and production of hazardous chemicals
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The water quality of a pond was analysed and its $BOD$ was found to be $4$. The pond has
Which among the following statements is against the principles of green chemistry?
How is pollution controlled?
Easy
View SolutionMatch the following metals in drinking water with their maximum prescribed concentration in $ppm$:
List-$I$ (Metal) List-$II$ (Concentration in $ppm$) $A$. $Mn$ $I$. $0.05$ $B$. $Zn$ $II$. $5.0$ $C$. $Cd$ $III$. $0.005$ $D$. $Cu$ $IV$. $3.0$
| List-$I$ (Metal) | List-$II$ (Concentration in $ppm$) |
|---|---|
| $A$. $Mn$ | $I$. $0.05$ |
| $B$. $Zn$ | $II$. $5.0$ |
| $C$. $Cd$ | $III$. $0.005$ |
| $D$. $Cu$ | $IV$. $3.0$ |
The cause of water pollution is due to
Easy
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