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Chemical Formulae of Molecular Element and Compound MCQ Questions with Answers PDF Download eBook

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MCQs on Chemical Formulae of Molecular Element and Compound PDF Download eBook

MCQ: Chemical symbol represents

  1. chemical formula
  2. molecular formula
  3. structural formula
  4. atomic formula

A

MCQ: "O3" is a chemical formula of

  1. oxygen
  2. oxides
  3. ozone
  4. acid rain

C

MCQ: Ammonia molecule contains one nitrogen atom and three atoms of

  1. hydrogen
  2. helium
  3. nitrogen
  4. carbon

A

MCQ: In nucleus, mass of an atom is more than

  1. 0.9994
  2. 0.9499
  3. 0.9949
  4. 0.4999

A

MCQ: The number and types of atoms a molecule contain, are shown by its

  1. chemical formula
  2. molecular formula
  3. structural formula
  4. atomic formula

A