Advertisements
Advertisements
प्रश्न
How can you apply green chemistry for the following:
To reduce the consumption of petrol and diesel.
उत्तर
In place of petrol and diesel, the use of CNG and LPG should be preferred as they are pollution-free fuels. The other sources such as hydrogen, ethanol etc. can also be used in place of petrol and diesel.
APPEARS IN
संबंधित प्रश्न
Which one of the following river is highly polluted?
Describe the major source of air pollution.
Which is the natural source of air pollution?
What is the source of pollution along the banks of Ganga?
Dinitrogen and dioxygen are main constituents of air but these do not react with each other to form oxides of nitrogen because ______.
Match the activity given in Column I with the type of pollution created by it given in Column II.
Column I (Activity) | Column II (Effect) | ||
(i) | Releasing gases to the atmosphere after burning waste material containing sulphur. |
(a) | Water pollution |
(ii) | Using carbamates as pesticides | (b) | Photochemical smog, damage to plant life, corrosion to building material, induce breathing problems, water pollution |
(iii) | Using synthetic detergents for washing clothes |
(c) | Damaging ozone laye |
(iv) | Releasing gases produced by automobiles and factories in the atmosphere. |
(d) | May cause nerve diseases in human. |
(v) | Using chlorofluorocarbon compounds for cleaning computer parts |
(e) | Classical smog, acid rain, water pollution, induce breathing problems, damage to buildings, corrosion of metals. |
Assertion (A): If BOD level of water in a reservoir is less than 5 ppm it is highly polluted.
Reason (R): High biological oxygen demand means low activity of bacteria in water.
Which of these sources are responsible for water pollution?
- Households
- Industries
- Farms and fields
- Tourism
Which of the following is the largest contributor to water pollution in India?
Sulphur dioxide is one of the components of polluted air, SO2 is also a major contributor to acid rain. The correct and complete reaction to represent acid rain caused by SO2 is ______.