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Four students added a small amount of et...

Four students added a small amount of ethanoic acid to sodium hydrogencarbonate. The gas evolved was tested for its behaviour with burning splinter and lime water. They reported their observations as given on the next page.



The correct observations have been reported by student:

A

A

B

B

C

C

D

D

Text Solution

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The correct Answer is:
A
NA
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LAKHMIR SINGH & MANJIT KAUR-PERIODIC CLASSIFICATION OF ELEMENTS-Exercise
  1. A student took four test tubes containing solutions of different colou...

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

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  3. Four students added a small amount of ethanoic acid to sodium hydrogen...

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  4. A student was given an unknown solution in a test tube. When he added ...

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  5. A student placed a few drops of a liquid over a portiin of the red lit...

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

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  7. When a student added universal indicator solution to one of the follow...

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  8. A student prepared hydrogen chloride gas by treating sodium chloride w...

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

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  10. A student placed a pinch of solid sodium hydrogencarbonate on a strip ...

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

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  12. For students A,B,C and D were studying the effect of the solutions of ...

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  13. Which of the following solutions having same concentration will have l...

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  14. We can show that iron is more reactive than copper :

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  15. The pH of a sample of hydrochloric acid is 2. The pH of this sample wh...

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  16. Observe the given figures and choose the correct option:

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  17. When treated with diluted hydrochloric acid which of the following giv...

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  18. Which one of the following procedures is correct to detect the acidic ...

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  19. Which of the following metal strips when placed in colourless AgNO(3) ...

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  20. A small piece of aluminium metal was placed in a beaker containing a g...

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