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प्रश्न
Identify the cations in the following case:
NaOH Solution, when added to Solution (C), gives white ppt which is insoluble in excess
उत्तर
Ca2+ ion
Ca(NO3)2 + 2NaOH 
Ca(OH)2 + 2NaNO3
(White ppt.sparingly soluble)
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संबंधित प्रश्न
Name the gas evolved when the following mixtures are heated:
Calcium hydroxide and Ammonium Chloride
State your observation When calcium hydroxide is heated with ammonium chloride crystals.
Name the other ion formed when ammonia dissolves in water.
What do you observe when ammonium hydroxide is added to the aqueous solution of FeSO4
What do you observe when ammonium hydroxide is added to the aqueous solution of Lead nitrate.
What do you observe when ammonium hydroxide is added to the aqueous solution of Zinc nitrate.
Why is ammonium hydroxide used in qualitative analysis? Give two equations to justify your answer.
When ammonium hydroxide is added to solution B, a pale blue precipitate is formed. This pale blue precipitate dissolves in excess ammonium hydroxide giving an inky blue solution. What is the cation [positive ion] present in solution B? what is the probable colour of solution B.
Q. 24
State your observation when lead nitrate solution and sodium chloride solution are mixed.
