Chemistry · Metals and Alloys
सोल्डर (टाँका) एक मिश्र धातु है जिसके मुख्य घटक हैं:
- 1टिन और जस्ता
- 2जस्ता और तांबा
- 3टिन और सीसा✓
- 4जस्ता और सीसा
सही उत्तर देखें
टिन और सीसा
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