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When an aluminium strip is kept immersed...

When an aluminium strip is kept immersed in freshly prepared ferrous sulphate solution taken in a test tube, the change which is observed is:

A

light green solution slowly turns colourless

B

the lower end of the test tube becomes slightly warm

C

a colourless gas with smell of burning sulphur is observed

D

light green solution changes to blue

Text Solution

Verified by Experts

The correct Answer is:
D

NA
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LAKHMIR SINGH & MANJIT KAUR-PERIODIC CLASSIFICATION OF ELEMENTS-Exercise
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  5. Ethanoic acid was added in drops to water and it was noticed that :

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  6. A colourless liquid sample was tested with pH paper strip. The colour ...

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  7. Ehanoic acid was added to sodium hydrogencarbonate solution and the ga...

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  8. Which one of the following set ups is the most apropriate for the evol...

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  9. Four students A,B,C and D noted the initial colour of the solutions in...

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  10. Four gas jars filled with sulphur dioxide gas wer inverted into trough...

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  11. The colour of the pH strip turned red when it was dipped into a sample...

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  12. A drop of colourless liquid was placed on blue litmus paper. The litmu...

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

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

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  15. The odour of ethanoic acid resembles with :

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

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  17. 5mL of dilute acetic acid were added to 5mL of water and the mixture w...

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

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

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

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