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प्रश्न
What would you observe in the following case:
Sugar crystals are added to a hard glass test tube containing concentrated sulphuric acid.
उत्तर
Charring of sugar takes place. Sulphuric acid dehydrates sugar, leaving behind carbon, which is black. Black charred residue is observed.
\[\ce{C12H22O11 -> \underset{Black charred residue}{11H2O}}\]
APPEARS IN
संबंधित प्रश्न
State one relevant observation for given reactions:
Action of concentrated Sulphuric acid on hydrated copper sulfate
State your observations when Concentrated Sulphuric acid is added to Sugar Crystals
Give reason for the following:
Ammonia gas cannot be dried by passing through concentrated sulphuric acid.
Name the catalyst used in the process.
What do you observe when barium chloride solution is added to dilute sulphuric acid ?
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Copper carbonate
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 of the following reaction :
Concentrated sulphuric acid is poured over sugar
Write balanced chemical equation to show :
The dehydrating property of conc.sulphuric acid
Concentrated sulphuric acid is both an oxidizing agent and a non-volatile acid. Write one equation each to illustrate the properties of sulphuric acid mentioned above.
