Dalton's Atomic Theory
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CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306612 Consider the following statements
(i) Atoms of H, O, N and C have identical properties but different mass
(ii) Matter is divisible into atoms which are further indivisible
(iii) The ratio of N : H in \({\rm{N}}{{\rm{H}}_{\rm{3}}}\) is 1 : 3 and N:O in nitric oxide is 2 : (iv) Dalton’s atomic theory support law of conservation of mass
Which of the following pairs of statements is true according to Dalton’s atomic theory?

1 (i) and (ii)
2 (ii) and (iii)
3 (ii) and (iv)
4 (i) and (iv)
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