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प्रश्न
Answer the following
Define catalyst.
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उत्तर
A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process.
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संबंधित प्रश्न
How will you illustrate the use of a safer solvent and auxiliaries?
Explain any three principles of green chemistry.
Answer the following:
Explain the atom economy with a suitable example.
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 ___________
In green technology developed by Drath and Frost, adipic acid is enzymatically synthesized from _______.
Mention the total number of principles of green chemistry.
Name the γ-isomer of Benzene hexachloride.
Write one example of safer solvent and hazardous solvent.
____________ can be categorised as a green solvent.
Drath and Frost developed a green technology for the synthesis of ____________.
The international plastic recycle mark with 'Number 1' is given to ____________.
Which of the following is recycled to make trash-can liners?
γ-isomer of BHC is called as ____________.
All the following statements are CORRECT, EXCEPT:
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)
\[\ce{CH3 - CH2 - OH ->[\Delta] CH2 = CH2 + H2O}\]
How many principles does green chemistry have?
If salicylic acid (138 u) reacts with acetic anhydride (102 u) to from aspirin (180 u) calculate % atom economy.
Which of the following is used as green solvent?
