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When dilute sulphuric acid is added to g...

When dilute sulphuric acid is added to granulated zinc placed in a test-tube, the observation made is :

A

the surface of the metal turns shiny

B

the reaction mixture turns milky

C

odour of sulphur dioxide is observed

D

a colourless and odourless gas evolves with bubbles

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The correct Answer is:
D
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LAKHMIR SINGH & MANJIT KAUR-STRUCTURE OF ATOM-Exercise
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  4. What is the correct order of the methods you would apply to separate t...

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  6. When zinc metal reacts with dilute sulphuric acid, a gas is evolved. W...

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  7. The reaction between iron and copper sulphate solution represents whic...

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  8. When a burning magnesium ribbon is introduced in a gas jar containing ...

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  10. Which of the following mixture can be separated completely by the proc...

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  11. Four set ups as given here were arranged to identify the gas evolved w...

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  12. An iron nail was dropped into copper sulphate solution. After some tim...

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  14. A student placed a clean iron nail in blue coloured copper sulphate so...

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  15. When a student added a few drops of barium chloride solution to sodium...

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  16. A student was asked to carry out a chemical reaction by placing four d...

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  17. We can show that is more reactive than copper :

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