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           

    Answer:

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


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