State whether the following statements are true or false :- (5)
i) H2O is formed by two atoms of hydrogen and two atoms of oxygen.
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ii) The elements present in glucose are carbon, hydrogen and nitrogen.
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iii) The molecular mass of a compound can be calculated from its chemical formula.
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iv) The chemical formula of calcium chloride is CaCl2.
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v) The molecular formula of a compound is the symbolic notation of its single molecule.
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only 5 points impossible for such a long questions
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