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प्रश्न
Name the probable cation present based on the following observation:
White precipitate insoluble in NH4OH but soluble in NaOH.
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उत्तर
Pb2+
संबंधित प्रश्न
Write the probable colour of the following salt:
Calcium salts
Name the probable cation present in each of the following solution:
Yellow coloured solution
Name the probable cation present based on the following observation:
Blue coloured solution.
Name the probable cation present in each of the following solution:
Pink coloured solution
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'.
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.
State what do you observe when:
Lead nitrate and sodium chloride are mixed.
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.
A metal which produces hydrogen on reacting with alkali as well as with acid.
