The greenhouse gas(es) is/are:
$A$. Carbon dioxide
$B$. Oxygen
$C$. Water vapour
$D$. Methane
Choose the most appropriate answer from the options given below:
$A$. Carbon dioxide
$B$. Oxygen
$C$. Water vapour
$D$. Methane
Choose the most appropriate answer from the options given below:
- A$A$ and $C$ only
- B$A$ only
- C$A, C$ and $D$ only
- D$A$ and $B$ only
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Similar Questions
What is the process of removal of topsoil by the action of wind and water called?
Medium
View SolutionMatch the pollutant in List-$I$ with its maximum permissible limit in drinking water given in List-$II$.
List-$I$ List-$II$ $(A)$ Lead $(I)$ $500 \text{ ppm}$ $(B)$ Sulphate $(II)$ $50 \text{ ppm}$ $(C)$ Nitrate $(III)$ $50 \text{ ppb}$
| List-$I$ | List-$II$ |
|---|---|
| $(A)$ Lead | $(I)$ $500 \text{ ppm}$ |
| $(B)$ Sulphate | $(II)$ $50 \text{ ppm}$ |
| $(C)$ Nitrate | $(III)$ $50 \text{ ppb}$ |
Write down the effect of particulate pollutants on the environment.
Medium
View SolutionMatch 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 lower region of the atmosphere that extends up to $10$ to $15 \ km$ from sea level called?
Easy
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