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Green Chemistry
Simply stated, Green chemistry is the use of chemistry for preventing environment pollution in order to protect human health. It may give the impression that it is branch of chemistry involving plants, which is not tru..
Green Chemistry
Simply stated, Green chemistry is the use of chemistry for preventing environment pollution in order to protect human health. It may give the impression that it is branch of chemistry involving plants, which is not true. Green chemistry ma..
Malachite Green as a Dye
Belongs to the triphenyl methane dyes. Prepared by condensing 1 molecule of benzaldehyde with 2 molecules of dimethylaniline (1:2 ratio) in presence of con H 2 SO 4 . The leuco base is oxidised with lead dioxide and HCl to color base which further reacts with HCl to give the dy..
Belongs to the triphenyl methane dyes. Prepared by condensing 1 molecule of benzaldehyde with 2 molecules of dimethylaniline (1:2 ratio) in presence of con H 2 SO 4 . The leuco base is oxidised with lead dioxide and HCl to color base which further reacts with HCl to give the dy..Malachite Green as a Dye
Belongs to the triphenyl methane dyes. Prepared by condensing 1 molecule of benzaldehyde with 2 molecules of dimethylaniline (1:2 ratio) in presence of con H 2 SO 4 . The leuco base is oxidised with lead dioxide and HCl to color base which further reacts with HCl to give the dy..
Anthracene
Anthracene is common in the natural environment. This chemical has several nicknames such as anthracin, green oil and para naphthalene. It has a crystalline structure, and is pale yellow in color. It exhibits a weak aromatic odor. It is a combustible solid. Anthracene is a relatively sma..
Anthracene is common in the natural environment. This chemical has several nicknames such as anthracin, green oil and para naphthalene. It has a crystalline structure, and is pale yellow in color. It exhibits a weak aromatic odor. It is a combustible solid. Anthracene is a relatively sma..Uses of Carbon Dioxide
1. In nature - a) Carbon dioxide is used in photosynthesis by green plants to produce carbohydrates. b) To induce natural breathi..
Classification of Dyes and Dyes Chemical Structure
Nitro and Nitroso dyes - Oldest synthetic dyes do not have much commercial importanc..
Nitro and Nitroso dyes - Oldest synthetic dyes do not have much commercial importanc..Summary
The presence of sulphur dioxide can be tested by reacting with acidified orange colored potassium dichromate solution when it gives green colored chromic sal..
Sources
Rich sources are citrus fruits and gooseberry. Good sources are Guava, green vegetables, tomatoes and potatoes. Milk is a poor source of ascorbic aci..
Greenhouse Effect
The Greenhouse effect is the rise in temperature that the Earth experiences because certain gases in the atmosphere (referred to as greenhouse gases), trap energy from the Sun. Without these gases heat would escape back into space and living on Earth would be inhospitable with average temperature b..
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