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प्रश्न
From the list of the following salts choose the salt that most appropriately fits the description given in the following :
[ AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2 ]
(i) A deliquescent salt
(ii) An insoluble chloride
(iii) On heating this salt gives a yellow residue when hot and white when cold
(iv) On heating this salt, a brown coloured to prepare the following salts:
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उत्तर
(i) A deliquescent salt: MgCl2
(ii) An insoluble chloride: AgCl
(iii) On heating, this salt gives a yellow residue when hot and a white residue when cold: ZnCO3
(iv) On heating this salt, a brown-coloured gas is evolved: Ca(NO3)2
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संबंधित प्रश्न
Name the kind of particles present in carbonic acid.
Define in term of ionization an acid.
Name the ions furnished by bases in solution.
Name the ions furnished by a weak alkali.
Give one example : Basic oxide which is soluble in water.
Give one example : A basic oxide which is insoluble in water.
Give one example : A weak mineral acid.
Choose the correct answer:
The salt which in solution gives a pale precipitate with sodium hydroxide solution and a white precipitate with barium chloride solution is:
State the term defined by the following sentence:
The insoluble solid formed when two solutions are mixed together.
Making use only of substances chosen from those given below:
(Dilute sulphuric acid, sodium carbonate, Zinc, sodium sulphite, Lead, calcium carbonate)
Give the equation for the reaction by which you could obtain sulphur dioxide.
