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Question
Name :
a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
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Solution
PbO
RELATED QUESTIONS
Write the probable colour of the following salt:
Ferrous salts
Write the probable colour of the following salt:
Aluminium Salts
Write the probable colour of the following salts:
Calcium carbonate
One chemical test that would enable you to distinguish between the following pair of chemicals. Describe what happens with each chemical or state 'no visible reaction'.
Calcium nitrate solution and zinc nitrate solution.
Write balanced equation for the following reaction:
Iron(II) chloride solution with sodium hydroxide solution.
Write balanced equation for the following reaction:
Sulphur dioxide and sodium hydroxide solution
(Give the equation for the formation of the normal salt)
State what do you observe when:
Lead nitrate and sodium chloride are mixed.
The questions (i) to (v) refer to the following salt solutions listed A to F:
- Copper nitrate
- Iron (II) sulphate
- Iron (III) chloride
- Lead nitrate
- Magnesium sulphate
- Zinc chloride
- Which two solutions will give a white precipitate when treated with dilute hydrochloric acid followed by barium chloride solution?
- Which two solutions will give a white precipitate when treated with dilute nitric acid followed by silver nitrate solution ?
- Which solution will give a white precipitate, when either dilute hydrochloric acid or dilute sulphuric acid is added to it?
- Which solution becomes a deep/inky blue colour when excess of ammonium hydroxide is added to it ?
- Which solution gives a white precipitate with excess ammonium hydroxide solution?
Name the probable cation present based on the following observation:
White precipitate insoluble in NH4OH but soluble in NaOH.
A metal which produces hydrogen on reacting with alkali as well as with acid.
