CO and SO3
CO and SO2
CO,SO2 and SO3
CO and H2S
Correct answer is B
When fuels containing sulphur are burned, sulphur compounds in the fuel are oxidised to sulphur dioxide while carbon compound are oxidized to carbon monoxide
When steam is passed through red hot carbon, which of the following are produced?
Hydrogen oxygen and carbon (IV) oxide
Hydrogen and carbon (IV) oxide
Hydrogen and carbon (II) oxide
Hydrogen and trioxocarbonate (IV) acid
Correct answer is C
No explanation has been provided for this answer.
The reaction Mg + H2O → MgO + H2 takes place only in the presence of?
excess Mg ribbon
excess cold water
very hot water
steam
Correct answer is D
No explanation has been provided for this answer.
The approximate volume of air containing 10cm3 of oxygen is?
20 cm3
25 cm3
50 cm3
100 cm3
Correct answer is C
Volume of air containing 10 cm O2 is
(100 x 10)/(20) = 50cm3
The equilibrium is driven to the left
The equilibrium is driven to the right
There is no effect
More ZnO is produced
Correct answer is C
No explanation has been provided for this answer.