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Questions
What would you observe in the following case:
Sugar crystals are added to a hard glass test tube containing concentrated sulphuric acid.
State your observation when sugar crystals are added to a hard glass test tube containing conc. sulphuric acid.
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Solution
Charring of sugar takes place. Sulphuric acid dehydrates sugar, leaving behind carbon, which is black. Black charred residue is observed.
\[\ce{C12H22O11 ->[Conc. H2SO4] \underset{Black charred residue}{12 C + 11H2O}}\]
RELATED QUESTIONS
State one relevant observation for given reactions:
Action of concentrated Sulphuric acid on hydrated copper sulfate
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Cotton clothes get burnt with concentrated sulphuric acid.
In this question, you required to supply the word (or words) that will make the sentence correct. Rewrite the copper statement.
Copper sulphate crystals are dehydrate by sulphuric acid.
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What property of Sulphuric acid is exhibited in the following case?
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