Which of the following statements are wrongs?

Options

A. `1.6 g` of a hydrocarbon on combustion in excess of oxygen produces 1.2 of `CO_(2)` and 0.4 of `H_(2) O`. The data illustrates the law of conservation of mass.
B. The product of atomic mass and specific heat of any element is a constant and is approximately 6.4. Thus is known as Dulong Petit's law.
C. The atomic masses of any elements is fractional because they are mixtures of allotropes.
D. The best standard of atomic mass is hydrogen - 1.008`

Answer

C, D

Explanation

(c ) `implies` isotopes
(d) `implies C - 12`