List of top Chemistry Questions on Environmental Chemistry

Identify the correct statements about Eutrophication
• [I.] It takes place in air
• [II.] It is due to excess oxygen in water
• [III.] It occurs in water
• [IV.] It leads to the destruction of aquatic life The correct answer is

Match the following:

Which of the following radical initiates the chain reaction responsible for depletion of ozone layer?

The oxides of which element are responsible for photochemical smog?

In winter, polar stratospheric clouds formed over Antarctica provide surface on which compound X responsible for depletion of ozone is formed. What is X?

Match the following:

High levels of which pollutant in blood induce premature delivery in pregnant women, who have the habit of smoking?

The BOD of highly polluted water is

The oxide of nitrogen responsible for depletion of ozone layer is

Which of the following in not to be considered as a primary fuel?

Which ions in drinking water causes a disease 'methemoglobinemia' when they are above permissible level?

In which of the following, pollutant in air/water is not correctly matched with its effect?

Identify the sets which contain greenhouse gases only: I. $CO_{2}$, $SO_{3}$, $N_{2}$ II. $CO_{2}$, $CH_{4}$, $O_{3}$ III. $O_{2}$, $NO_{2}$, $SO_{2}$ IV. $O_{3}$, CFCs, $N_{2}O$ The correct answer is:

Which of the following gases causes greenhouse effect?

When salt BA is treated with Conc. H$_2$SO$_4$, reddish brown gas is liberated. The aqueous solution of BA gives pale yellow precipitate with AgNO$_3$ solution. Which of the following anion(A) is present in the salt BA?

Which compound is mainly responsible for the depletion of ozone layer?

Greenhouse effect is caused by

Liquefied petroleum gas (LPG) mainly contains

In part of the atmosphere ozone layer is present.

pH of acid rain water is generally in the range of

Which of the following is NOT regarded as a primary fuel?

In part of the atmosphere ozone layer is present.