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Madhurima added a few iron fillings to 5...

Madhurima added a few iron fillings to 5 mL of aluminium sulphate `Al_2(SO_4)_3` solution in a test tube. The correct observation for change in colour of solution by her is

A

colourless soluton turned blue

B

Blue solution turned colourless

C

Pale green solution turned blue

D

It remains colourless

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MODERN PUBLICATION-METALS AND NON-METALS-EXERCISE
  1. Rekha took two solutions, 10 mL each separately in two test tubes, A a...

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

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

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

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

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

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

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  8. Fill in the blanks:

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

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

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

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

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

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

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  15. Write chemical equations for the rection on Zn granules with dil H2SO4...

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  16. Write chemical equations for the rection on Zn granules with Sodium h...

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  17. Write chemical equations for the extraction of copper from its sulpide...

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  18. When metals are treated with mineral acids, hydrogen gas is liberated ...

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  19. A metal that exists as a liquid at room temperature is obtained by hea...

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  20. Metals undergo corrosion with water and oxygen present in air. Write t...

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