Composition of water can be determined by...
a) volume
b) mass
c) both a & b
d) none of these
Water contain……….part of hydrogen and one part of oxygen by volume.
a) 2
b) 3
c) 4
d) 5
Composition of water by volume ratio can be determined experimentally by electrolysis of water in Hofmann’s…………
a) galvanometer
b) ammeter
c) voltammeter
d) none of these
By passing electric current through acidified water, it produce…………. Part of hydrogen and ……… part of oxygen.
a) 2,1
b) 6,2
c) 1,1
d) 2,2
Water is composed of one part of hydrogen and eight part of oxygen by……….
a) mass
b) volume
c) both a & b
d) none of these
Joseph Proust experimentally proved that hydrogen and oxygen combine to form water in the ratio of ……….. by mass.
a) 1:2
b) 1:4
c) 1:6
d) 1:8
