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#10216 Bangladesh Studies General Level 0

2KNO3→2KNO2+O2 বিক্রিয়াটিতে জারিত ও বিজারিত মৌল যথাক্রমে কী কী?

  1. A nitrogen and oxygen
  2. B nitrogen and potassium
  3. C oxygen and nitrogen
Answer: C - oxygen and nitrogen

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