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प्रश्न
Name :
a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
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उत्तर
PbO
संबंधित प्रश्न
Write the probable colour of the following salt:
Ammonium salts
Write the probable colour of the following salt:
Ferrous sulphate
Name the probable cation present in each of the following solution:
Yellow coloured solution
Write the colour of the following salts: Cuprous salts.
Write the colour of the following salt : Cupric salts.
Write the colour of the following salt : Aluminium salts.
Write the colour of the following salt : Ferrous salts.
On adding dilute ammonia solution to a colourless solution of a salt, a white gelatinous precipitate appears. This precipitate however dissolves on addition of excess of ammonia solution. Identify (Choose from Na, l, Zn, Pb, Fe)
(a) Which metal salt solution was used?
(b) What is the formula of white gelatinous precipitate obtained?
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.
