Berilgan reaksiyalar zanjiri asosida noma’lum A moddaning nomini toping:
A →(t°) B + D
B + C(koks) → CaC₂ + CO
D + C(koks) → CO

  1. kriolit
  2. silvin
  3. osh tuzi
  4. ohaktosh

📝 Detailed explanation

CaCO₃ →(t°) CaO + CO₂; CaO + 3C → CaC₂ + CO; CO₂ + C → 2CO. Demak A – ohaktosh (CaCO₃).
29 / 30 (97%)
Question 29 of 30
← Previous → Next Space — Show answer

🎯 Take a test on the topic «Aprobatsiya KIMYO 2026»

This topic contains 30 questions. Test your knowledge!

🔐 Log in to take the test

📚 All tests by subject «Kimyo»

View all collections and topics in Kimyo

Go to subject →

Report an error

Answers are unavailable

This test collection is closed. To get full access, please purchase 🌟 premium

Contact by email