Chemistry · Carbon and its Compounds
कार्बन के किस अपररूप (Allotrope) का उपयोग 'ठोस स्नेहक' (Solid Lubricant) के रूप में किया जाता है?
- 1कोक (Coke)
- 2फुलरीन (Fullerene)
- 3ग्रेफाइट (Graphite)✓
- 4हीरा (Diamond)
सही उत्तर देखें
ग्रेफाइट (Graphite)
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