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प्रश्न
State the colour of the residue formed when nitrate of calcium is strongly heated.
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उत्तर
White
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संबंधित प्रश्न
Identify the salts P and Q from the observations given below:
On performing the flame test salt P produces a lilac coloured flame and its solution gives a white precipitate with silver nitrate solution, which is soluble in Ammonium hydroxide solution.
_____________ (AgCl / PbCl2), a white precipitate is soluble in excess NH4OH
Name a solution that will separate the component of the following mixture: CaO from PbO
You are given a mixture of precipitated copper hydroxide and zinc hydroxide. Name a solvent which will dissolve:
Both copper hydroxide and zinc hydroxide
Give one chemical test to distinguish between the following pair of compounds:
Iron (II) chloride solution and iron (III) chloride solution
Give the balanced equations for the reaction with two different amphoteric oxides with a caustic alkali.
Name the products formed when the reaction with two different amphoteric oxides with a caustic alkali.
When an ammonium hydroxide solution is added to solution B, a pale blue precipitate is formed. This pale blue precipitate dissolves in excess ammonium hydroxide giving an inky blue solution. What is the cation present in solution B?
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Which of the following about oxides is correct?
