Question

 Which statement(s) is/are correct regarding Dalton’s Atomic theory? 1. All matters are made of very tiny particles. 2. Atoms of different elements have different masses and chemical properties. 3. The relative number of atoms is variable in any compound. Select the correct answer from the codes given below:

A Only 1 and 2
B Only 1 and 3
C Only 2 and 3
D All of the above
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