Mention two side effects caused by acid rain.

Write down the reactions involved during the formation of photochemical smog.

Which of the following statements is $NOT$ true according to the principles of green chemistry?

Methemoglobinemia is caused by the presence of $X$ in drinking water. $X$ is

What is the cause of the greenhouse effect?

The conversion of sulfur dioxide to sulfur trioxide in the absence of a catalyst is a slow process. However,this process occurs easily in the atmosphere. Describe how this happens and write the chemical equations for the formation of $SO_3$ from $SO_2$.