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प्रश्न
State your observation for the following case :
Moist blue litmus is introduced into a gas jar of sulphur dioxide.
उत्तर
Litmus turns blue to red, and then gets bleached.
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संबंधित प्रश्न
Write balanced chemical equations to show The dehydrating property of conc. Sulphuric acid with sugar.
Identify the acid in each case:
The acid which produces sugar charcoal from sugar
Why is water not added to concentrated \[\ce{H2SO4}\] in order to dilute it?
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 : Carbon dioxide
Which concentrated acid oxidizes sulphur directly to sulphuric acid ? Write the equation for the same. What is the name of the process by which sulphuric acid is manufactured ? Name the catalyst used in the process.
Write balanced equation for potassium hydrogen carbonate and dilute sulphuric acid.
Write the equation of the following reaction :
Concentrated sulphuric acid is poured over sugar
Give one equation to show the following properties of sulphuric acid:
As a non-volatile acid
Give a balanced chemical equation for the action of sulphuric acid of the following:
Sulphur
Write the observation for the following:
Decomposition of bicarbonates by dil. H2SO4
\[\ce{2NaHCO3 + H2SO4 -> Na2SO4 + 2H2O + 2CO2}\]