Que no 76 gas Will be
74 he specific heat of
atomic wei h
(a) 32
(c) 40
2.69 10
(d) None of these
etal is O. 16 its approxima"
(b) 16
(d) 64
7The ight ot a molecule of the compound is
(b) 1.09 g
(d) 16,023 * 10 u g
(c) 5.025 , 10" g
76. What is the weight of oxygen required for the
complete combustion of 2.8 kgof th lene
(a) 2.8 kg (b) 6.4 kg
(C) 9.6 kg
(d) 96 kg
the density of water is 1 g cm-3 then the volume
occupied by one molecule of water is approxima*
. (a) 18
(C) 602 *10-2'
(b) 22400
affeine has a molecular weight of 194. If it contains
28.9% by mass of nitrogen. number of atoms o
in one molecule of caffeine is
