Environment & Ecology · Environment
सूची-I में फ्रेयॉन, सूची-II में निम्नांकित में किससे से संबंधित है?
- 1अग्निशामक
- 2कीटनाशी
- 3एंटीनॉक कारक
- 4प्रशीतक✓
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प्रशीतक
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