10th Class Science Metals and Non-metals Question Bank 10th CBSE Science Metals and Non-metals

  • question_answer
      10 mL of freshly prepared iron sulphate was taken in each of four test tubes. Strips of copper, iron, zinc and aluminium was introduced, each metal in a different test tube. A residue was obtained in two of them. The right pair of metals forming the precipitates is           


                      Zinc (Zn) and Aluminium (Al). Zn and Al are more reactive than iron, but copper is less reactive than iron.

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