Questions
Which of the statements are true about the law of chemical combination?
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a
Potassium combines with two isotopes of chlorine Cl 35 and Cl 37 to form two samples of KCl. Their formation follows the law of definite composition.
b
Different proportions of oxygen in the various oxides of sulphur prove the law of multiple proportions.
c
H2O and H2S contain 11.11% hydrogen and 5.88% hydrogen, respectively, whereas SO2 contains 50% sulphur. The above data prove the law of reciprocal proportions.
d
In the decomposition of NH3,2NH3→∆N2+3H2, the ratio of volumes of NH3, N2, and H2 , is 2:1:3. The above data proves the Gay Lussac law.
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Correct option is B
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