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Chapter 2: College Chemistry Exam Tests

College Chemistry MCQs - Chapter 2

Basic Chemistry Quiz Questions and Answers PDF - 7

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Basic Chemistry Questions & Answers PDF Download: MCQ Quiz 7

MCQ 31: The most abundant molecular ions are

A) Anions
B) Cations
C) Neutral ions
D) Sulphur ions

MCQ 32: Elements with even number of isotopes are

A) 156
B) 154
C) 153
D) 152

MCQ 33: In accelerating chamber of mass spectrometer potential difference is

A) 500-2000
B) 600-7000
C) 300-8000
D) 700-9000

MCQ 34: Isotopes have same

A) atomic mass
B) atomic number
C) neutrons
D) none of above

MCQ 35: The instrument used to measure the exact 'atomic masses' is

A) mass spectrometer
B) spectrometer
C) nanometer
D) none of above

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