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प्रश्न
Colour of an aqueous solution of copper sulphate is ______.
पर्याय
Green
Brown
Blue
Yellow
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उत्तर
Colour of an aqueous solution of copper sulphate is blue.
संबंधित प्रश्न
Write the probable colour of the following salt:
Calcium salts
Name the probable cation present based on the following observation:
Blue coloured solution.
Write the colour of the following salt : Aluminium salts.
Write the colour of the following salt : Calcium 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?
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'.
Sodium sulphate solution and sodium chloride solution.
Write balanced equation for the following reaction:
Iron(II) chloride solution with sodium hydroxide solution.
Write balanced equation for the following reaction:
Zinc and sodium hydroxide solution
Write the observation, and balanced equation for the following reaction:
Moist starch iodide paper is placed at the mouth of a test tube containing chlorine gas.
Name :
a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
