Glucose solution
Aqueous copper (ll) tetraoxosulphate (IV)
Dilute sodium chloride solution
Concentrated hydrochloric acid
Dilute copper (ll) chloride solution
Correct answer is C
No explanation has been provided for this answer.
Dehydrating agent
Oxidising agent
Bleaching agent
Acid
Precipitant
Correct answer is B
No explanation has been provided for this answer.
Which of the following methods is suitable for the preparation of an insoluble salt?
Action of an acid on a metal
Double decomposition
Neutralisation
Action of an acid on a trioxocarbonate (IV)
Action of an acid on an oxide
Correct answer is B
No explanation has been provided for this answer.
Which of the following is not a property of trioxonitrate (V) salts?
Positive reaction to the brown ring test
Ability to dissolve in cold water
Decomposition on being strongly heated
Production of effervescence with saturated Na2CO3 solution
Evolution of gas with concentrated H2SO4 and copper turnings
Correct answer is D
No explanation has been provided for this answer.
The following oxides react with water except
Na2O
SO3
NO2
CO2
CuO
Correct answer is E
No explanation has been provided for this answer.