who was the main scientist behind the discovery of law of constant proportion ??
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Joseph Louis Proust
Joseph Louis Proust (26 September 1754 – 5 July 1826) was a French chemist. He was best known for his discovery of the law of constant composition in 1794, stating that chemical compounds always combine in constant proportions.
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mixture of sulphur and carbon disulphide is a heterogeneous mixture and shows tyndall effect. Reason: In collodial solution, the size of particles are big enough to scatter the light which is known as Tyndall effect . The mixture formed by mixing sulphur &carbon disulphide is Heterogenous Mixture & it is Colloidal.
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