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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
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उत्तर
Ca2+ ion
Ca(NO3)2 + 2NaOH 
Ca(OH)2 + 2NaNO3
(White ppt.sparingly soluble)
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संबंधित प्रश्न
Identify the cations in the following case :
NH4OH Solution, when added to the Solution (B), gives white ppt which does not dissolve in excess.
Give balanced chemical equations for Reaction of ammonia with sulphuric acid.
State your observation When calcium hydroxide is heated with ammonium chloride crystals.
What do you observe when ammonium hydroxide is added to the aqueous solution of Iron (III) chloride? Write a balanced equation for this.
What do you observe when ammonium hydroxide is added to the aqueous solution of Zinc nitrate? Write a balanced equation for this.
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
Explain with a diagram the preparation of aqueous ammonia.
Distinguish by a chemical test, sulphuric acid from nitric acid and hydrochloric acid.
