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10th Class Science Metals and Non-metals / धातु और अधातु Question Bank 10th CBSE Science Metals and Non-metals

  • question_answer
      Carbon can reduce copper oxide to copper but not CaO to Ca. Why?

    Answer:

                      C is a strong reducing agent and can reduce CuO as follows: CuO + C ® Cu + CO Ca is much more reactive than Cu and has greater affinity for oxygen than C has. So, it cannot reduce CaO to Ca.           


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