हिंदी

Sodium hydroxide solution is added to solution A. A white precipitate is formed which is insoluble in excess sodium hydroxide solution. What is the metal ion present in solution A?

Advertisements
Advertisements

प्रश्न

Sodium hydroxide solution is added to solution A. A white precipitate is formed which is insoluble in excess sodium hydroxide solution. What is the metal ion present in solution A?

एक शब्द/वाक्यांश उत्तर
Advertisements

उत्तर

Calcium [Ca2+]

shaalaa.com
Action of Alkalis on Metal Oxides
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 13: Practical Work - EXERCISE-13 [पृष्ठ २२९]

APPEARS IN

एस पी सिंग Concise Chemistry [English] Class 10 ICSE
अध्याय 13 Practical Work
EXERCISE-13 | Q 4. (a) | पृष्ठ २२९

संबंधित प्रश्न

Name a solution that will separate the component of the following mixture: CaO from PbO


Name a solution that will separate the component of the following mixture: CuO from ZnO


You are given a mixture of precipitated copper hydroxide and zinc hydroxide. Name a solvent which will dissolve:
Only zinc hydroxide


Sodium hydroxide solution can be used to distinguish between i. iron (II) sulphate solution and (ii) iron (III) sulphate solution; because these solutions give different coloured precipitates with sodium hydroxide solution. Give the colour of the precipitate formed with each of the solution.


What will you observe when barium chloride solution is added to iron(II) sulphate solution.


The questions (i) to (v) refer to the following salt solutions listed A to F :
A. Copper nitrate
B. Iron (II) sulphate

C. Iron (III) chloride
D. Lead nitrate
E. Magnesium sulphate
F. Zinc chloride
(i) Which two solutions will give a white precipitate when treated with dilute hydrochloric acid followed by barium chloride solution/
(ii) Which two solutions will give a white precipitate when treated with dilute nitric acid followed by silver nitrate solution?
(iii) Which solution will give a white precipitate when either dilute hydrochloric acid or dilute sulphuric acid is added to it?
(iv) Which solution becomes a deep/inky blue colour when excess of ammonium hydroxide is added to it?
(v) Which solution gives a white precipitate with excess ammonium hydroxide?


Give one chemical test to distinguish between the following pair of compounds:

Iron (II) chloride solution and iron (III) chloride solution


A given white crystalline salt was tested as follows:

The addition of barium chloride solution into this solution gave a white precipitate. What conclusions can be drawn for the observation?


When an ammonium hydroxide solution 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 present in solution B?


Write balanced equation for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×