Chemistry Question Bank

Which of the following is/are common components of photochemical smog?

Which of the following are involved in the formation of PAN? I. NO2 II. O3 III. Unburnt hydrocarbon IV. CO2

Which of the following options represents the PAN?

Photochemical smog has …I… concentration of oxidising agents and is therefore, called as …II… smog. Here, I and II refer to :

Classical smog is also called …A…smog. Here A refers to

Classical smog is a mixture of

The word smog stands for :

Which of the following is the major particulate matter emitted by vehicles.

The effect of particulate pollutants are largely dependent on the …A… Here, A refers to.

Herbicides and insecticides are travel through air and form …A… Here A refers to:

Mist is produced by : I. Particles of spray liquids II. Condensation of vapour in air

Non-viable particulates are classified on the basis of :

Which of the following is not a viable particulates :

The viable particulate stand for : I. Minute living organisms present in atmosphere II. Minute non-living particles present in atmosphere

What do you mean by Taj-Trapezium?

Which of the following is responsible for damaging Tajmahal and other monuments near Agra ?

The Taj Mahal in India is affected by pollutant:

Acid rain is harmful for: I. Agriculture II. Aquatic ecosystem III. Buildings and other structures made of stone or metal. Select the correct option;

Which of the following air pollutants is deposited as dry-deposition ?

Aerosol particles of oxides are ammonium salts in rain drops results in …A… here A refer to.

How can we reduce the rate of global warming?

Acid rain is due to : I. Oxides of nitrogen II. Oxides of sulphur III. Methane present in the air

When the pH of the rain water drops below 5., it is called …A…A, Here, A refers to :

Rain water is slightly acidic because I. Water reacts with CO2 and forms H2CO3 II. Rain water reacts with CO and forms H2CO3 Identify the correct option:

pH of normal rain water is :