ISRO Technician-B Electroplater Question Paper - 2017 (Set - 1) with Answer Key

ISRO Technician-B Electroplater Question Paper - 2017 (Set - 1) with Answer Key

66) Valency of Copper in Copper sulphate is

Answer is:

2

67) A _____ can resist pH change upon the addition of an acidic or basic component

Answer is:

Buffer

68) Which is the smallest potential, which can produce electrolytic deposition when applied to an electrolytic cell.

Answer is:

Deposition potential

69) The oxidation number of Aluminium in Aluminium metal is

Answer is:

0

70) Heavy metals are converted into its _____ for precipitation and separation in effluent treatment

Answer is:

Hydroxides