The % composition of four hydro carbons is as follows:
(i)
(ii)
(iii)
(iv)
75
80
85.7
91.3
% C
25
20
14.3
8.7
% H
The data illustrates the law of
 Constant proportion<br> Conservation of mass<br> Multiple Proportions<br> Reciprocal Proportions
a. Constant proportion
b. Conservation of mass
c. Multiple Proportions
d. Reciprocal Proportions