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प्रश्न
Bottom ash of thermal power stations can be used as raw material for cement and brick industry. This example illustrates which of the following principle of green chemistry?
विकल्प
Atom economy.
Designing safer chemicals.
Design for energy efficiency.
Prevention of waste or by products.
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उत्तर
Prevention of waste or by products.
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संबंधित प्रश्न
Choose the most correct option.
Which of the following is ϒ-isomer of BHC?
Write the formula to calculate the % atom economy.
Name the γ-isomer of BHC.
Explain any three principles of green chemistry.
Answer the following
How will you illustrate the principle, minimization of steps?
Answer the following
Give two examples of catalysts.
According to less hazardous chemical synthesis point of view, instead of harmful DDT now a days _______ is used as insecticides.
Catalyst used for hydrogenation of oil is ___________
Mention the total number of principles of green chemistry.
Name the γ-isomer of Benzene hexachloride.
Which principle of green chemistry has its perspective towards carrying out reactions at room temperature and pressure?
Define atom economy.
Write one example of safer solvent and hazardous solvent.
____________ can be categorised as a green solvent.
In the manufacture of phenol from isopropyl benzene, the important by-product obtained is ____________.
The formula for percentage atom economy is:
`("Formula weight of the desired product")/("'X'") xx 100`
Here, 'X' is ____________.
The international plastic recycle mark with 'Number 1' is given to ____________.
Which of the following is recycled to prepare foam packaging and light switchplates?
Identify the use of polyethylene terephthalate.
Identify the polymer used in making floor tiles.
Define the role of safer chemistry in accident prevention.
Calculate the atom economy of the following:
(At mass of C = 12, H = 1, 0 = 16)
\[\ce{CH3 - CH2 - OH ->[\Delta] CH2 = CH2 + H2O}\]
Which of the following is primary benzylic alcohol?
