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प्रश्न
Distinguish by a chemical test, sulphuric acid from nitric acid and hydrochloric acid.
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उत्तर
- Barium chloride gives a white precipitate with dilute sulphuric acid and not with dilute hydrochloric acid.
- By adding AgNO3, HCl gives a white ppt. whereas no such reaction takes place with HNO3.
- Non-volatile acid.
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.
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 Lead nitrate? 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
Write a balanced chemical equation for reaction of ammonia with heated copper oxide
Explain with a diagram the preparation of aqueous ammonia.
