Gujarat BoardEnglish MediumSTD 9ScienceAtoms and Molecules2 Marks
Question
Which law states, that in a chemical compound, elements always combine in a fixed proportion?
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Answer
In chemistry, the law of definite proportion, sometimes called Proust's law or the law of definite composition, or law of constant composition states that a given chemical compound always contains its component elements in fixed ratio (by mass) and does not depend on its source and method of preparation.
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