Green Chemistry

Q.

What do you mean by green chemistry? How will it help decrease environmental pollution?

Q.

The catalyst used in the preparation of oxygen gas in laboratory is

1. H₂O₂

2. MnO₂

3. KNO₃

4. KClO₃

Q.

How can domestic waste be used as manure?

Q.

Define environmental chemistry.

Q. The gas leaked from a storage tank of the union carbide plant in Bhopal gas tragedy was

1. Methylamine
2. Ammonia
3. Phosgene
4. Methyl isocyanate

Q.

Which of the following mixtures is an NPK fertilizer?

1. Potassium nitrate and Ammonium chloride

2. Calcium phosphate and Ammonium nitrate

3. Potassium chloride and Ammonium phosphate

4. Sodium nitrate and Calcium phosphate

Q. Green chemistry deals with:

1. study of plant physiology
2. detailed study of reactions involved in the synthesis of chlorophyll
3. utilization of existing knowledge base for reducing the chemical hazards along with developmental activities
4. study of extraction of natural products from plants

Q. Domestic waste mostly constitutes

1. Non-biodegradable pollutants
2. biodegradable pollutants
3. air pollutants
4. effluents

Q.

Name the five main branches of chemistry and mention one scope of each?

Q. Green chemistry means such reactions which

1. study the reactions in plants
2. are related to the depletion of ozone layer
3. produce colour during reactions
4. reduce the use and production of hazardous chemicals

Q.

Hospital waste is usually infectious. Select the best way to dispose of them.

1. Recycled

2. Incinerated

3. Composted

4. Dumped in landfills

Q.

Is hydrogen peroxide a bleach?

Q. What does Green Chemistry in terms of environment mean?

1. Greenhouse effect
2. Reaction related to depletion of ozone layer
3. Photosynthetic reactions in plants
4. Reduction in the use and production of hazardous chemicals

Q.

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
$3C{l}_2+6NaOH\to 5NaCl+NaCl{O}_3+3H_{2}O$

1. 21.3g
2. 17.75g
3. 3.55 g
4. 10.65g

Q. What type of questions are asked from environmental chemistry?

Q.

City garbage can be used to produce-

1. Sewage sludge

2. Useful article

3. Biogas and manure

4. All the above

Q.

It is often said that chemistry has great economic importance in our daily life. How?

Q. Modes of controlling pollution in large cities include-

1. all the above.
2. less use of insecticides
3. proper disposal of organic wastes, sewage and industrial effluents.
4. shifting of factories out of the residential area

Q.

Is Bromine a Carcinogen?

Q.

Define environmental chemistry.

Q. What is green chemistry? Write one importance of green chemistry.

Q.

Name one inorganic nitrogenous fertilizer.

Q. What does Green Chemistry in terms of environment mean?

1. Greenhouse effect
2. Reaction related to depletion of ozone layer
3. Photosynthetic reactions in plants
4. Reduction in the use and production of hazardous chemicals

Q.

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.

Q.

Why should a business take steps for pollution control?

Q.

Is PVC safe for hydroponics?

Q. Green chemistry means such reactions which

(AIPMT 2008)

1. are related to the depletion of ozone layer
2. produce colour during reactions
3. study the reactions in plants
4. reduce the use and production of hazardous chemicals

Q. What does Green Chemistry in terms of environment mean?

1. Greenhouse effect
2. Reaction related to depletion of ozone layer
3. Photosynthetic reactions in plants
4. Reduction in the use and production of hazardous chemicals

Q.

How can domestic waste be used as manure?

Q. The gas leaked from a storage tank of the Union Carbide plant in Bhopal gas tragedy was:

1. Ammonia
2. Phosgene
3. Methylisocyanate
4. Methylamine