Physics · Properties of Matter
निम्नलिखित में से कौन से तत्व फॉस्फर-ब्रॉन्ज (phosphor-bronze) के प्राथमिक घटक हैं?
- 1एल्यूमीनियम, तांबा और निकल
- 2तांबा, टिन और फास्फोरस✓
- 3तांबा, जस्ता और मैंगनीज
- 4निकल, तांबा और कोबाल्ट
सही उत्तर देखें
तांबा, टिन और फास्फोरस
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