Green Chemistry
Trending Questions
What do you mean by green chemistry? How will it help decrease environmental pollution?
The catalyst used in the preparation of oxygen gas in laboratory is
H2O2
MnO2
KNO3
KClO3
How can domestic waste be used as manure?
Define environmental chemistry.
- Methylamine
- Ammonia
- Phosgene
- Methyl isocyanate
Which of the following mixtures is an NPK fertilizer?
Potassium nitrate and Ammonium chloride
Calcium phosphate and Ammonium nitrate
Potassium chloride and Ammonium phosphate
Sodium nitrate and Calcium phosphate
- study of plant physiology
- detailed study of reactions involved in the synthesis of chlorophyll
- utilization of existing knowledge base for reducing the chemical hazards along with developmental activities
- study of extraction of natural products from plants
- Non-biodegradable pollutants
- biodegradable pollutants
- air pollutants
- effluents
Name the five main branches of chemistry and mention one scope of each?
- study the reactions in plants
- are related to the depletion of ozone layer
- produce colour during reactions
- reduce the use and production of hazardous chemicals
Hospital waste is usually infectious. Select the best way to dispose of them.
Recycled
Incinerated
Composted
Dumped in landfills
Is hydrogen peroxide a bleach?
- Greenhouse effect
- Reaction related to depletion of ozone layer
- Photosynthetic reactions in plants
- Reduction in the use and production of hazardous chemicals
The weight of chlorine gas undergoing oxidation when excess of chlorine is sent into hot concentrated caustic soda solution containing 24 grams of solute in it
3Cl2+6NaOH→5NaCl+NaClO3+3H2O
- 21.3g
- 17.75g
- 3.55 g
- 10.65g
It is often said that chemistry has great economic importance in our daily life. How?
City garbage can be used to produce-
Sewage sludge
Useful article
Biogas and manure
All the above
- all the above.
- less use of insecticides
- proper disposal of organic wastes, sewage and industrial effluents.
- shifting of factories out of the residential area
Is Bromine a Carcinogen?
Define environmental chemistry.
Name one inorganic nitrogenous fertilizer.
- Greenhouse effect
- Reaction related to depletion of ozone layer
- Photosynthetic reactions in plants
- Reduction in the use and production of hazardous chemicals
For your agricultural field or garden you have developed a compost producing pit. Discuss the process in the light of bad odour, flies and recycling of wastes for a good produce.
Why should a business take steps for pollution control?
Is PVC safe for hydroponics?
(AIPMT 2008)
- are related to the depletion of ozone layer
- produce colour during reactions
- study the reactions in plants
- reduce the use and production of hazardous chemicals
- Ammonia
- Phosgene
- Methylisocyanate
- Methylamine
How can domestic waste be used as manure?
- Greenhouse effect
- Reaction related to depletion of ozone layer
- Photosynthetic reactions in plants
- Reduction in the use and production of hazardous chemicals