Ruxning normal atmosfera bosimidagi erish temperaturasi 420°C, qaynash temperaturasi esa 907°C. Ruxning qotish temperaturasi qanday (°C)?

  1. 487
  2. 420
  3. 0
  4. 907

📝 Detailed explanation

Kristall moddalar uchun erish va qotish temperaturasi bir xil bo'ladi.
Rux kristall modda bo'lgani uchun, uning qotish temperaturasi erish temperaturasiga teng: 420°C.
Qaynash temperaturasi (907°C) boshqa jarayon — suyuqlikdan gazga o'tish temperaturasi.
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