Chemistry · Industrial Chemistry
निम्नलिखित में से किस पदार्थ का उपयोग 'फ्रीऑन' नाम से रेफ्रिजरेटर में शीतलक गैस के रूप में बड़े पैमाने पर किया जाता रहा है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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