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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
Select from the list the gas that matches the description given in case
[ammonia, ethane, hydrogen chloride, hydrogen sulfide, ethyne]
This gas produces dense white fumes with ammonia gas.
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? Write a balanced equation for this.
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 Lead nitrate? Write a balanced equation for this.
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
Distinguish by a chemical test, sulphuric acid from nitric acid and hydrochloric acid.
State your observation when lead nitrate solution and sodium chloride solution are mixed.
