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Name the scientist who gave : (a) law...

Name the scientist who gave :
(a) law of conservation of mass.
(b) law of constant proportions.

Answer

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Knowledge Check

  • According to law of conservation of mass

    A
    The mass of product remains constant
    B
    The total mass remains constant
    C
    The mass of products remains constant
    D
    All of the above

  • The law of conservation of mass was given by :

    A
    Dalton
    B
    Proust
    C
    Lavoisier
    D
    Berzelius

  • According to Dalton's atomic theory, all matter whether an element, a compound or a mixture is composed of small particles called atoms which can neither be created nor destroyed during a chemical reaction. Dalton's theory provides a simple explanation for the laws of chemical combination. He used his theory to explain law of conservation of masses, law of constant proportions and law of multiple proportions, based on various postulates of the theory. Dalton was the first scientist to use the symbols for the elements in a very specific sense. When he used a symbol for an element he also meant a definite quantity of that element, that is one atom of that element. Which postulate of Dalton's atomic theory is the result of the law of conservation of mass?

    A
    Atoms can neither be created nor destroyed.
    B
    Each element is composed of extremely small particles called atoms.
    C
    All the atoms of a given element are identical.
    D
    During chemical combination, atoms of different elements combine in simple ratios.

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    According to Dalton's atomic theory, all matter whether an element, a compound or a mixture is composed of small particles called atoms which can neither be created nor destroyed during a chemical reaction. Dalton's theory provides a simple explanation for the laws of chemical combination. He used his theory to explain law of conservation of masses, law of constant proportions and law of multiple proportions, based on various postulates of the theory. Dalton was the first scientist to use the symbols for the elements in a very specific sense. When he used a symbol for an element he also meant a definite quantity of that element, that is one atom of that element. Which postulate of Dalton's atomic theory explains law of definite proportions?

    Dalton's atomic theory successfully explained. (i) Law of conservation of mass (ii) Law of constant composition (iii) Law of radioactivity (iv) Law of multiple proportion

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