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  1. Tardigrade
  2. Question
  3. Chemistry
  4. When temporary hard water containing Mg((HCO)3)2 is boiled the ppt . formed is of :

Q. When temporary hard water containing is boiled the . formed is of :

NTA AbhyasNTA Abhyas 2020 Report Error

Solution:

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Questions from NTA Abhyas 2020

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[Given that molecular mass of NaOH = 40 g mol]

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6. Given below are half cell reactions:




Will the permanganate ion, liberate from water in the presence of an acid ?

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7. In water saturated air the mole fraction of water vapour is . If the total pressure of the saturated air is , the partial pressure of dry air is :

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8. Following limiting molar conductivities are given as



for will be-

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9. One atom of an element weighs . Its atomic mass is

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10. In the following reaction,
A,
the number of sigma(s) bonds present in the product A is :-

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