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Composition and Structure of the Atmosphere — Geography STD 9 — Question

ICSE BoardEnglish MediumSTD 9GeographyComposition and Structure of the Atmosphere1 Mark
Question
CFC’s 
✓

Answer

These are chloro-fluoro carbons and are used as propellants in aerosol cans, refrigerants in refrigerators, air conditioning and as solvent cleaners in the microelectronic industry.

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