Chemistry
State your observation when – Sugar crystals are added to conc. sulphuric acid.
Sulphuric Acid
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Answer
Steam is evolved from the test tube and it becomes very hot. Black spongy mass of carbon is formed.
C12H22O11+ nH2SO4 ⟶ 12C + 11H2O
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Related Questions
Give a balanced equation for the conversion of zinc oxide to zinc sulphate.
Select from A, B, C –
A: Sodium hydroxide solution.
B: A weak acid.
C: Dilute sulphuric acid.
The solution which liberates sulphur dioxide gas, from sodium sulphite.
Choose the correct answer from the choices:
The gas evolved when dil. sulphuric acid reacts with iron sulphide.
A: Hydrogen sulphide
B: Sulphur dioxide
C: Sulphur trioxide
D: Vapour of sulphuric acid.Give a balanced equation for – Dilute sulphuric acid is poured over sodium sulphite