Give three examples in which green chemistry has been applied.
What is the compound formed when CO combines with blood?
What is meant by PCBs?
Which of the following will increase the BOD of water supply? (a) O3 (b) C2H5OH (c) H2O (d) CO2
The pollutant released in Bhopal gas tragedy was (a) Ammonia (b) Mustard gas (c) Nitrous oxide (d) Methyl isocyanate
Ozone depletion is mainly due to (a) HCFs (b) CFCs (c) CH3Br (d) all of the above
The gas which reacts with haemoglobin in blood is (a) CO (b) SO2 (c) CO2 (d) NO2
BOD is a measure of (a) Organic pollutant in water (b) Inorganic pollutant in water (c) Particulate matter in water (d) All of the above
Besides CO2, the other greenhouse gas is (a) Ar (b) N2 (c) O2 (d) CH4
Which of the following causes less pollution? (a) NOx (b) SOx (c) CO2 (d) CxHy