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प्रश्न
State your observation for the following case :
Dry red rose petals are placed in the jar of sulphur dioxide.
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उत्तर
Dry SO2 has no effect on dry red rose petals.
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संबंधित प्रश्न
Give one equation to show the following properties of sulphuric acid:
Dehydrating property
Why is H2SO4 is not used as a drying agent for H2S?
Name the Following:
The property used to prepare HCl and HNO3 from H2SO4.
Give reason for the following:
Sulphuric acid can form two kinds of salts with sodium chloride.
Give main difference between drying agent and dehydrating agent.
The following statement is correct only under certain conditions. Rewrite the statement including the appropriate conditions.
Oxalic acid reacts with sulphuric acid to produce carbon monoxide and carbon dioxide.
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 of the following reaction :
Concentrated sulphuric acid is poured over sugar
State your observation for the following case :
Moist blue litmus is introduced into a gas jar of sulphur dioxide.
State one appropriate observation of the following:
Dehydration of concentrated sulphuric acid with sugar crystals.
