Class 7 Courses

Class 7 Science Prep Tests

Class 7 Science Tests

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

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Class 7 Science: Chemical Formulae of Molecular Element and Compound MCQs PDF Download

MCQ: Chemical symbol represents

A) chemical formula
B) molecular formula
C) structural formula
D) atomic formula

MCQ: "O3" is a chemical formula of

A) oxygen
B) oxides
C) ozone
D) acid rain

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

A) hydrogen
B) helium
C) nitrogen
D) carbon

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

A) 0.9994
B) 0.9499
C) 0.9949
D) 0.4999

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

A) chemical formula
B) molecular formula
C) structural formula
D) atomic formula

Practice Tests: Class 7 Science Exam Prep

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