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A few drops of ethanoic acid were added ...

A few drops of ethanoic acid were added to solid sodium carbonate. The possible results of the reactions are

A

A hissing sound was evolved

B

Brown fumes evolved

C

Brisk effervescence occurred

D

A pungent smelling gas evolved

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VGS PUBLICATION-BRILLIANT-CARBON AND ITS COMPOUND-EXERCISE
  1. 2ml of ethanoic acid was taken in each of the three test tubes A, B an...

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  2. If 2ml of acetic acid was added slowly in drops to 5ml of water then w...

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  3. A few drops of ethanoic acid were added to solid sodium carbonate. The...

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  4. When acetic acid reacts with ethyl alcohol, we add conc.H2 SO4, which ...

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  5. Suggest a test to find the hardness of water and explain the procedure...

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  6. Suggest a chemical test to distinguish between ethanol and ethanoic ac...

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  7. Suggest a chemical test to distinguish between ethanol and ethanoic ac...

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  8. An organic compound 'X' with a molecular formula C2 H6 O undergoes oxi...

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  9. An organic compound 'X' with a molecular formula C2 H6 O undergoes oxi...

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  10. Prepare models of methane, ethane, ethene and ethyne molecules using c...

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  12. How do you condemn the use of alcohol as a social practice?

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  13. Write an activity to show esterification.

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  14. Write an activity to show soap solution separates oil from water.

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  15. What are bond angles of HCH in CH4, C2 H4 and C2 H2 molecules?

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  16. Why we are advised not to use animal fats for cooking?

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  17. Which oil is recommended for cooking? Why?

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  18. How do carbon atoms form bonds in so many ways

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  19. Where this energy to excited electron comes from?

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  20. In methane(CH4) molecule all four carbon-hydrogen bonds are identical ...

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