The chemical properties and atomic masses of oxygen and carbon are different. This can be explained using the postulates of:

law of conservation of mass

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law of constant proportion

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Avogadro's law

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Dalton's atomic theory

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Solution

The correct option is D Dalton's atomic theory
According to the postulates of Dalton's atomic theory,

$∙$ Matter is made of indivisible particles known as atoms.

$∙$ All the atoms of an element have the same properties while atoms of different elements have different properties and atomic masses.

Hence, chemical properties and atomic masses of the atoms of oxygen and carbon are different.

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Similar questions

The atomic masses and chemical properties of Sulphur and Phosphorus are different. This can be explained on the basis of:

Oxygen has 3 isotopes of atomic mass 16,17,18 respectively. Explain why they have same chemical properties, they are all electrically neutral.

Which of the following are true according to Dalton’s Atomic Theory?

(i) Atoms can neither be created nor destroyed in a chemical reaction.

(ii) Atoms of different elements have different masses and chemical properties.

(iii) Atoms can be broken down into smaller parts like Protons,Electons And Neutons .

(iv) Atoms of an element have variable chemical properties depending on the Chemical reactions

(v) The relative number and kinds of atoms vary in a given compound.

(vi) Atoms combine in the ratio of small whole numbers to form Compounds.

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