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Which of the following statements are wrong?
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a
1.6 g of a hydrocarbon on combustion in excess of oxygen produces 1.2 of CO2 and 0.4 of H2O. The data illustrates the law of conservation of mass.
b
The product of atomic mass and specific heat of any elements is a constant and is approximately 6.4. This is known as Dulong Petit's law.
c
The atomic masses of the elements are usually fractional because they are mixtures of allotropes.
d
The best standard of atomic mass is hydrogen -1.008.
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Correct option is A
(1) total mass of products is 1.6 grams ,where as in reactants only hydrocarbon alone is 1.6 grams, we have to also consider the weight of oxygen(3) isotopes(4) C-12Talk to our academic expert!
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