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Take concentrated solution of copper sul...

Take concentrated solution of copper sulphate in a beaker. Drop a piece of aluminium foil in it. Then

A

Copper deposites on the aluminium foil

B

Aluminium dissolves

C

The solution becomes colourless

D

A and C

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VGS PUBLICATION-BRILLIANT-IS MATTER PURE?-EXERCISE
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  2. A' is a mixture.No particles are settled down when it left undistribut...

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  3. Take concentrated solution of copper sulphate in a beaker. Drop a piec...

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  4. Copper cannot be separated from copper sulphate by physical methods. S...

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  6. In a solution of tincture Iodine , alcohol is

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  7. The technique used to separate the mixture of camphor and water is

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  8. Miscible liquids when the difference between their boiling points is l...

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  9. The scattering of beam of light when light passes through a colloidal ...

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  10. Dye present in an ink can be separated by…….

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  11. Urine is boiled down to discover phosphorous by………

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  12. Acetone and water and separated by……….

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  13. Kerosene and water are separated by………..

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  14. Assertion (A): Water + sugar is a solution Reason ( R): IF we pass b...

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  15. Take two test tubes with some water. Add salt powder to one test tube ...

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  16. The correct process is a) add solvent more to dilute a solution b)...

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  17. Which of the given device is used to separate a mixture of kerosene an...

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  18. Which of the following wil show "Tyndall effect"? How can you demostra...

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  19. Which apparatus is required to check whether milk is colloid or true s...

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  20. How do you examine whether a starch solution is colloid or suspension?

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