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Environmental Chemistry
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Green chemistry and waste management
JEE Main level
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Difficulty 2 of 3
ev195
Heating a reaction mixture by microwaves for 5 minutes instead of refluxing it for 6 hours illustrates which principle of green chemistry?
A
Design for energy efficiency
B
Atom economy
C
Use of renewable feedstocks
D
Prevention of accidents
Answer: A
The shorter heating time with direct dielectric heating lowers energy consumption. This is the energy-efficiency principle.
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