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प्रश्न
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Copper sulphate from copper.
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उत्तर
\[\ce{Cu + H2SO4 -> CuSO4 + H2}\]
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संबंधित प्रश्न
Identify the acid in the following case:
The acid on mixing with lead nitrate solution produces a white precipitate, which is insoluble even on heating.
Give one equation to show the following properties of sulphuric acid:
Dehydrating property
Why is water not added to concentrated H2SO4 in order to dilute it?
What would you observe in the following case?
Concentrated sulphuric acid is added to equal volumes of cold water.
How are the following conversion brought about? Give equation and condition:
Oxalic acid to carbon monoxide.
Describe the reaction that show
Concentrated sulphuric acid is a dehydrating agent.
What would you see, when a crystal of CuSO4.5H2O is placed in concentrated sulphuric acid? Give reason to explain your observation.
State your observation for the following case :
Moist blue litmus is introduced into a gas jar of sulphur dioxide.
What would you observe in the following case:
Sugar crystals are added to a hard glass test tube containing concentrated sulphuric acid.
Identify the gas evolved and give the chemical test in the following case:
Dilute hydrochloric acid reacts with iron (II) sulphide.
