Question

2011
(a) State your observation when - Sugar crystals are added
to a hard glass test tube containing conc. sulphuric aicd.
(6) Choose the correct answer from the choices - The gas
evolved when dil. sulphuric acid reacts with iron
sulphide.
(1) Hydrogen sulphide (m) Sulphur dioxide
(ii) Sulphur trioxide (iv) Vapour of sulphuric acid
(c) Give a balanced equation for :
(1) Dilute sulphuric acid when poured over sodium
sulphite.
(ii) Manufacture of sulphuric acid by the contact
process.
(d) State the property of sulphuric acid shown by the reaction
of conc. sulphuric acid when heated with
(1) potassium nitrate (ii) carbon​

Answer 1

Answer:

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