Chemistry · Polymers
निम्नलिखित में से इलास्टोमेर (elastomers) के युग्म की पहचान कीजिए।
- 1पीवीसी और पॉलीस्टाइनिन
- 2पॉलीऐक्रिलोनाइट्राइल और टेफ्लॉन
- 3नायलॉन 6,6 और नायलॉन 2-नायलॉन 6
- 4ब्यूना-N, ब्यूना-S✓
सही उत्तर देखें
ब्यूना-N, ब्यूना-S
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