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A metal that forms soluble trioxosulphate(IV) ion is
Barium
Potassium
Manganese
Aluminium
Sulphur(IV) oxide is a strong reducing agent in the presence of water due to the formation of
Hydroxide ion
Sulphur(VI) oxide
Hydrogen sulphide
Trioxosulphate(IV) salt
Which of the gases is employed as an anaesthesia?
N2O
NO2
NH3
NO
In the laboratory preparation of ammonia, the flask is placed in a slanting position so as to
Prevent condensed water from breaking the reaction flask
Enable the proper mixing of the reactants in the flask
Enhance the speed of the reaction
Prevent formation of precipitate
Which of the following compounds is a neutral oxide?
Carbon(IV) oxide
Sulphur(VI) oxide
Sulphur(IV) oxide
Carbon(II) oxide
