19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
The basic components of the smog are (AMU 2005)
Phosphate pollution is brought about by (AIPMT 1997)
…A… of pollution are those where a source of pollution cannot be identified. Here, A refers to :
Which of the following is most essential for life?
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:
Aerosol particles of oxides are ammonium salts in rain drops results in …A… here A refer to.
Which of the following air pollutants is deposited as dry-deposition ?
Acid rain is harmful for: I. Agriculture II. Aquatic ecosystem III. Buildings and other structures made of stone or metal. Select the correct option;
The Taj Mahal in India is affected by pollutant:
Which of the following is responsible for damaging Tajmahal and other monuments near Agra ?
Acid rain is due to : I. Oxides of nitrogen II. Oxides of sulphur III. Methane present in the air
pH of normal rain water is :
‘Good ozone’ is found in the
Excess use of chemical fertilizers increases the quantity of…A… (air pollutant) in the atmosphere. Here, A refers to..
When the pH of the rain water drops below 5., it is called …A…A, Here, A refers to :
Match the terms given in Column I with the compounds given in Column II and choose the correct option from the codes given below. Column I Column II A. Acid rain B. Photochemical smog C. Combination with haemoglobin…
What do you mean by Taj-Trapezium?
CO emitted automobiles prevents O2-transport to body tissues by:
How can we reduce the rate of global warming?
Which is true about DDT
The type of pollution caused by spraying of DDT
The substance which is a primary pollutant?
The statement which is not true
Which forms the part of hazy fumes of photochemical smog
Which of the following is not involved in the formation of photochemical smog?