19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
The viable particulate stand for : I. Minute living organisms present in atmosphere II. Minute non-living particles present in atmosphere
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 :
Excess use of chemical fertilizers increases the quantity of…A… (air pollutant) in the atmosphere. Here, A refers to..
In blood, when concentration of carboxyhaemoglobin reaches about 3-4%, the oxygen carrying capacity of blood …A… Here, A refers to
What is true about CO gas?
Carbon monoxide is mainly released into air by :
Which of the following statement(s) is//are true about carbon monoxide?
Which of the following are the harmful effect of nitrogen dioxide? I. It retards the rate of photosynthesis II. It causes respiratory disease in children III. It is toxic to living tissues.
The irritant red haze in the traffic and congested place is due to…A..
In an automobile engine, (at high temperature) when fossil fuel is burnt, N2 and O2 combine to yield :
Match the Column I with the Column II and choose the correct option from cods given below : Column I Column II A. Normal B. Acid rain 1. H2CO3 2. HNO3 3. HCl 4. H2SO4 Codes : A B
‘Good ozone’ is found in the (AIPMT Mains 2011)
Assertion (A): CO and NO combine with haemoglobin. Reason (R): Both have equal affinity for haemoglobin. (AIIMS 2012)
Assertion: (A) London smog is produced when carbon soot particles combine with gaseous oxides of sulphur. Reason: Presence of carbon particles and SO2 makes it reducing in nature. (AIIMS 2017)
Which of the following is a sink for CO? (NEET 2017)
Which oxide of nitrogen is not a common pollutant introduced into the atmosphere both due to natural and human activity? (NEET 2018)
The statement which is not true
The substance which is a primary pollutant?
The false statement among the following is :
The substance having the largest concentration in acid rain?