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Can we test hard water by using a deterg...

Can we test hard water by using a detergent? Write one more method othe than using soap to test the hardness of hard water.

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MODERN PUBLICATION-CARBON AND ITS COMPOUNDS-EXERCISE
  1. How will you test in the laboratory, whether the given sample of water...

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  2. When a compound X in its aqueous from is added to acetic acid taken in...

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  3. Can we test hard water by using a detergent? Write one more method oth...

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  4. When boilers of water are used for a very long time. Then write layers...

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

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

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

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

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

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

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

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

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  14. Define catenation?

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  15. What are saturated hydrocarbons? Give one example.

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

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

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  18. What is meant by tetravalency of carbon?

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  19. What are alkynes?

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

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