Q. 2Cu + O2 –> 2CuO इस अभिक्रिया में Cu का होता है ?2Cu + O2…
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Bihar Board 10th SCIENCE vvi Guess Subjective Question, Class 10th Science Guess subjective Question 2023
Bihar Board 10th SCIENCE vvi Guess Subjective Question, Class 10th Science Guess subjective Question 2023, bseb…
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