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प्रश्न
From the list of the following salts choose the salt that most appropriately fits the
description is given in the following:
[AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2]
On heating this salt, a brown colored gas is evolved.
उत्तर
On heating this salt, a brown-colored gas is evolved = Ca(NO3)2
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संबंधित प्रश्न
Identify the substance underlined, in the following case
A solid formed by reaction of two gases, one of which is acidic and the other basic in nature
From the list of the following salts choose the salt that most appropriately fits the
description is given in the following:
[AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2]
On heating, this salt gives a yellow residue when hot and white when cold
Write a balanced chemical equation for Action of dilute hydrochloric acid on magnesium sulphite.
The number of molecules of water of crystallisation present in washing soda crystals is:
(a) five
(b) two
(c) ten
(d) seven
The salt whose aqueous solution will have no effect on either red litmus or blue litmus is
(a) potassium sulphate
(b) sodium carbonate
(c) ammonium sulphate
(d) sodium acetate
Explain ‘salt hydrolysis’
State one observation for each of the following :
Lead nitric is heated strongly in a test tube.
State what would you observe when :
Washing soda crystals are exposed to the atmosphere.
Distinguish by a chemical test sodium hydroxide solution and ammonium hydroxide solution.
Many salts absorb water from the atmosphere. This property is called:
