Crude copper could be purified by the electrolysis of con...
Crude copper could be purified by the electrolysis of concentrated copper (II) chloride if the crude copper is?
made both the anode and the cathode
made the cathode
made the anode
dissolved in the solution
Correct answer is C
No explanation has been provided for this answer.
Which of the following is used as an anaesthetic?...
The alloy used for metal work and plumbing contains ...
Which of the following compounds is NOT formed by the action of chlorine on methane? ...
Helium is preferred to hydrogen in filling balloons because hydrogen ...
X is a substance which liberates CO2 on treatment with concentrated H2SO4. A warm sol...
Starch could be converted to glucose by the process of ...
The noble gas, argon,is used for...
The complex salt formed when aluminium dissolves in sodium hydroxide solution is ...
Which of the following involves the decomposition enzymic action? ...