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प्रश्न
Identify the salts P and Q from the observation 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.
उत्तर
KCl
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संबंधित प्रश्न
State your observations when Concentrated Sulphuric acid is added to Sugar Crystals
Give two balanced reactions of each type to show the following properties of sulphuric acid:
Hygroscopic nature
Give two balanced reactions of each type to show the following property of sulphuric acid:
Non-volatile nature
Name the products formed when hot and concentrated sulphuric acid reacts with Sulphur.
Name the following:
Products obtained by treating zinc with dilute sulphuric acid.
Give reason for the following:
Concentrated sulphuric acid should not be added to oxalic acid or formic acid in the open laboratory.
How are the following conversion brought about? Give equation and condition:
Sucrose to sugar charcoal.
What do you see when concentrated sulphuric acid is added to copper sulphate-5-water ( You are not required to say what is happing, nor is it necessary to name the products.)
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Sodium Sulphate from sodium carbonate.
Identify the gas evolved and give the chemical test in the following case:
Dilute hydrochloric acid reacts with sodium sulphite.
