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Which of the following pair of ions make...

Which of the following pair of ions makes the water hard(temporary) ?

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Calcium `(Ca^(2+))` and Magnesium `(Mg^(2+)))` ions.
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AAKASH INSTITUTE-HYDROGEN-Try Yourself
  1. Why temporary hardness of water is called so?

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  2. Which anions produce permanent hardness in water?

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  3. Which of the following pair of ions makes the water hard(temporary) ?

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  4. Write few uses of heavy water.

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  7. Is H(2)O(2) planar in nature?

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  10. Which isotope of hydrogen has no neutron?

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  11. Which isotope of hydrogen is known as ordinary hydrogen?

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  18. On what basis are the molecular hydrides classified?

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  19. a. Would you except the hydrides of N,O and F to have lower boiling po...

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