40) A standard Chromium plating electrolyte consists of Chromic acid and

41) 1 mil = _____ micrometer

42) The number of units in one mole of any substance is known as

43) 0 K = _____ degree centigrade

44) The _____ is an angle that a liquid creates with a solid surface or capillary walls of a porous material when both materials come in contact together.