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A piece of granulated zinc was dropped i...

A piece of granulated zinc was dropped into copper sulphate solution. After some time the colour of the solution changed from:

A

light green to blue

B

blue of colourless

C

light green to colourless

D

blue to yellow

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LAKHMIR SINGH & MANJIT KAUR-PERIODIC CLASSIFICATION OF ELEMENTS-Exercise
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  2. A drop of colourless liquid was placed on blue litmus paper. The litmu...

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  3. A piece of granulated zinc was dropped into copper sulphate solution. ...

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  4. When sulphur dioxide gas is passed throught acidified potassium dichro...

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  5. The odour of ethanoic acid resembles with :

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  6. Which of the following solutions would you use test the pH of a given ...

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  7. 5mL of dilute acetic acid were added to 5mL of water and the mixture w...

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  8. Four set ups a given below were arranged to identify the gas evolved ...

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  9. Which of the equipments would you choose to prepare and collect sulphu...

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  10. Aqeuous solutions of zinc sulphae and iron sulphate were taken in test...

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  11. The set up used in the laboratory to collect sulphur dioxide is that s...

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  12. A student adds a few drops of the universal indicator to a solution of...

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  13. When zinc metal is heated with caustic soda solution, the gas evolved ...

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  14. Four students observed the colour and odour of acetic acid and its rea...

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  15. A student takes Cu, Al, Fe and Zn piees separtely in four test tubes l...

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  16. Four students (A),(B),(C) and (D) observed the colour and solubility o...

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  17. A student adds a few drops of the universal indicator solution to a di...

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  18. A student strongly heats hydrated ferrous sulphate salt in a dry test-...

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  19. A student took four test tubes containing solutions of different colou...

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  20. A student while heating solid lead nitrate taken in a test tube would ...

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