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Name two salts each of calcium and magne...

Name two salts each of calcium and magnesium which make the water hard?

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MODERN PUBLICATION-CARBON AND ITS COMPOUNDS-EXERCISE
  1. When boilers of water are used for a very long time. Then write layers...

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  2. Write two tests you would perofrm to detec whether the given colourles...

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  3. Name two salts each of calcium and magnesium which make the water hard...

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  4. What happens when acetic acid is added in a solution of Na2CO3 in a te...

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  5. List two observations which you make when you add a pinch of sodium hy...

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  6. What do you observe when you drop a few drops of acetic acid to a test...

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  7. What do you observe when you drop a few drops of acetic acid to a test...

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  8. What do you observe when you drop a few drops of acetic acid to a test...

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  9. What do you observe when you drop a few drops of acetic acid to a test...

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  10. To which group of the periodic table does cabron belong

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  11. Define catenation?

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  12. What are saturated hydrocarbons? Give one example.

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  13. Give the electron-dot structure of methane.?

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  14. What would be the electron dot structure of carbon dioxide which has t...

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  15. What is meant by tetravalency of carbon?

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  16. What are alkynes?

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  17. Write the molecular formulae and names of immediate lower and higher h...

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  18. Write the structural formula of 1-propanol and 2-propanol.

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  19. Write the combustion reaction of ethanol.

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  20. Name the main constituent of alcoholic drinks. Give its oxidation prod...

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