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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
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