Match List-$I$ with List-$II$ :
List-$I$ (Species) List-$II$ (Maximum allowed concentration in ppm in drinking water) $A$. $F^{-}$ $I$. $< 50 \, ppm$ $B$. $SO_{4}^{2-}$ $II$. $< 5 \, ppm$ $C$. $NO_{3}^{-}$ $III$. $< 2 \, ppm$ $D$. $Zn$ $IV$. $< 500 \, ppm$
| List-$I$ (Species) | List-$II$ (Maximum allowed concentration in ppm in drinking water) |
| $A$. $F^{-}$ | $I$. $< 50 \, ppm$ |
| $B$. $SO_{4}^{2-}$ | $II$. $< 5 \, ppm$ |
| $C$. $NO_{3}^{-}$ | $III$. $< 2 \, ppm$ |
| $D$. $Zn$ | $IV$. $< 500 \, ppm$ |
- A$A-II, B-I, C-III, D-IV$
- B$A-IV, B-III, C-II, D-I$
- C$A-I, B-II, C-III, D-IV$
- D$A-III, B-IV, C-I, D-II$
Explore More
Similar Questions
Match List-$I$ with List-$II$.
List-$I$ List-$II$ $(a)$ $2 SO_{2(g)} + O_{2(g)} \rightarrow 2 SO_{3(g)}$ $(i)$ Acid rain $(b)$ $HOCl_{(g)} \stackrel{h \nu}{\longrightarrow} \dot{O}H + \dot{Cl}$ $(ii)$ Smog $(c)$ $CaCO_{3} + H_{2}SO_{4} \rightarrow CaSO_{4} + H_{2}O + CO_{2}$ $(iii)$ Ozone depletion $(d)$ $NO_{2(g)} \stackrel{h \nu}{\longrightarrow} NO_{(g)} + O_{(g)}$ $(iv)$ Tropospheric pollution
Choose the correct answer from the options given below.
| List-$I$ | List-$II$ |
|---|---|
| $(a)$ $2 SO_{2(g)} + O_{2(g)} \rightarrow 2 SO_{3(g)}$ | $(i)$ Acid rain |
| $(b)$ $HOCl_{(g)} \stackrel{h \nu}{\longrightarrow} \dot{O}H + \dot{Cl}$ | $(ii)$ Smog |
| $(c)$ $CaCO_{3} + H_{2}SO_{4} \rightarrow CaSO_{4} + H_{2}O + CO_{2}$ | $(iii)$ Ozone depletion |
| $(d)$ $NO_{2(g)} \stackrel{h \nu}{\longrightarrow} NO_{(g)} + O_{(g)}$ | $(iv)$ Tropospheric pollution |
Choose the correct answer from the options given below.
What is the percentage contribution of $CFCs$ to global warming compared to ozone (in $\%$)?
Medium
View SolutionWhy is it safer to use soap from the environmental point of view?
Medium
View SolutionWhat is green fuel?
Easy
View SolutionThe pair of gases responsible for acid rain are
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo