Chemistry · Chemical Reactions and Equations
आपकी इमारत का मुख्य लोहे का गेट किसकी उपस्थिति के कारण समय के साथ जंग खा जाता है?
- 1नमी और ऑक्सीजन✓
- 2प्रदूषण
- 3उच्च तापमान
- 4गंदगी
सही उत्तर देखें
नमी और ऑक्सीजन
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