Environmental Chemistry

Which of the following is not the common component of photochemical smog?

Observe the following statements
Statement I The carbon containing components of photochemical smog are acrolein, methanal and PAN. Statement II The number of greenhouse gases in the list given below is 5 .
$$ \mathrm{CH}_4, \mathrm{CO}_2, ...

In drinking water, if the maximum prescribed concentration of copper is $x \mathrm{mgdm}^{-3}$, the maximum prescribed concentration of zinc will be

Which of the following is a lung irritant that can lead to an acute respiratory disease in children?

Among the following compounds, which one is not primarily responsible for depletion of ozone layer in stratosphere?

Identify the correct statements from the following
I. Photochemical smog has high concentration of oxidising agents.
II. $\mathrm{NO}_2$ is present in classical smog.
III. Higher concentration of $\mathrm{SO}_2$ in air can cause stiffness o...

The common components of photochemical smog are

Methemoglobinemia is due to

Eutrophication can lead to

Acrolein $(X)$ is one of the chemicals formed when $\mathrm{O}_3$ and $\mathrm{NO}_2$ react with unburnt hydrocarbons present in the polluted air. The structure of ' $X$ ' is

Which of the following industries generate nonbiodegradable wastes?

Which of the following molecules react with haemoglobin of the blood to produce toxic effect?

Acid rain is mainly caused by the emissions of which of the following gases?
I. Sulphur dioxide
II. Carbon dioxide
III. Nitrogen dioxide
IV. Methane

Which of the following molecules is present in photochemical smog?

The average atmospheric residence time is lowest for which of the given the greenhouse gas?

Biochemical oxygen demand (BOD) is a measure of organic materials present in water, BOD value less than 5 ppm indicates a water sample to be

Which of the following is air pollutant?