Question

Select the correct answer from the options given in the brackets: (a) The ion which is discharged at the cathode during the electrolysis of CuSO4 solution using copper electrodes. [Cu+2, OH-, SO4 2-, H+] (b) During electroplating of an article with Ag using sodium argentocyanide as an electrolyte, the anode is made of. [Cu, Ag, Pt, Na]

Ethane C2H6 burns in oxygen to produce carbon dioxide and water as shown in the equation given below: 2C2H6 + 7O2 → 4CO2 + 6H2O Calculate the composition of the resulting gaseous mixture at room temperature when 60 c.c. of ethane burns in 250 c.c. of oxygen.

Match the uses of alloys in List 1 with the appropriate answer from List 2.

The flow chart below represents the Contact Process for manufacture of sulphuric acid.