Rasmda berilgan jarayon uchun qaysi ifoda xato?

Rasmda berilgan jarayon uchun qaysi ifoda xato?
  1. laboratoriyada kislorod olish usuli
  2. parchalanish reaksiyasi sodir bo‘ladi
  3. X gaz probirkadagi suvni siqib chiqarib to‘planadi
  4. reaksiyada marganets (II) oksid hosil bo‘ladi

📝 Detailed explanation

2KMnO₄ → K₂MnO₄ + MnO₂ + O₂. Marganets (IV) oksid hosil bo‘ladi, (II) emas. D — xato.
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