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प्रश्न
Name the gas evolved in following case:
The gas produced by the action of concentrated sulphuric acid on sodium chloride.
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उत्तर
Hydrogen chloride is a colourless pungent acidic gas produced by the action of concentrated sulphuric acid on sodium chloride.
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संबंधित प्रश्न
How are the following conversion brought about? Give equation and condition:
Sodium chloride to hydrogen chloride.
Describe the reaction that show
Concentrated sulphuric acid is a dehydrating agent.
Sulphuric acid can be used to prepare a number of gases in the laboratory. Write balanced equation for the reaction from which the folllowing gas are obtained, using dilute sulphuric acid as one of the reactant : Hydrogen
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Copper sulphate from copper.
Write balanced equation for potassium hydrogen carbonate and dilute sulphuric acid.
State your observation for the following case :
Dry red rose petals are placed in the jar of sulphur dioxide.
State one appropriate observation of the following:
Concentrated sulphuric acid is added dropwise to a crystal of hydrated copper sulphate.
Give a balanced chemical equation for the action of sulphuric acid on the following:
Potassium hydrogen carbonate
Give balanced chemical equation to prepare the following salt:
Sodium sulphate using dilute sulphuric acid
Differentiate between the following pair based on the criteria given in the bracket:
Cane sugar and hydrated copper sulphate [using concentrated H2SO4]
