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Solutions of copper sulphate, iron sulph...

Solutions of copper sulphate, iron sulphate and zinc sulphate are prepared are marked I,II and III respectively. Few pieces of aluminium are added to each solution. After some time a change will be observed in

A

I and II

B

II and III

C

III and I

D

All of the three

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MODERN PUBLICATION-METALS AND NON-METALS-EXERCISE
  1. Two beakers A and B contain an aqueous solution of FeSO4. In beakers A...

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  2. The aqueous solutions of copper sulphate and zinc sulphate appear

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  3. Solutions of copper sulphate, iron sulphate and zinc sulphate are prep...

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  4. A thin plate of zinc metal is placed in a beaker containing aqueous fe...

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  5. An iron nail is suspended in copper sulphate solution are kept for a w...

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  6. Complete the following:

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  7. Rekha took two solutions, 10 mL each separately in two test tubes, A a...

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  8. A chemistry lab-incharge kept zinc metal in FeSO4 solution and observe...

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  9. Madhurima added a few iron fillings to 5 mL of aluminium sulphate Al2(...

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  10. Rinku took 10 mL each of two solutions A and B separately in two test ...

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  11. Raman took three metals labelled P,Q and R. He carried out displacemen...

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  12. Which of the following is . The colour of the FeSO4 solutoin would be

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  13. Rashmi added aluminium metal to colourless soluton of zinc sulphate. A...

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  14. Fill in the blanks:

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  15. If iron nails are added in zinc sulphate solution, the possible observ...

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  16. Which of the following statements are correct: Aluminium can displace ...

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  17. Four test tubed marked I,II,III and IV were taken 20 ml of Al2(SO4)3 s...

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  18. Why does calcium metal after reacting with water starts floating on i...

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  19. Write chemical equations for the following: Lead carbonate is calcined...

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  20. Write chemical equations for the following: Chromium oxide is heated w...

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