OTET Paper 1 Exam 2017 Paper

Question : 130 of 150

Marks: +1, -0

In case of a balanced chemical equation:
(i) The total number of atoms of the reactants should be equal to the total numbers of atoms of the products
(ii) The total number of molecules of the reactants should be equal to the total numbers of molecules of the products
(iii) The total number of atoms of each element of the reactants should be equal to the total numbers of atoms of each element of the products
Out of the above:

(i) and (ii) are correct and (iii) is wrong
(i) and (iii) are correct and (ii) is wrong
(ii) and (iii) are correct and (i) is wrong
(i), (ii) and (iii) are correct

Validate

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