Chemistry Atomic Molecular Masses Online Exam Quiz
Chemistry Atomic Molecular Masses GK Quiz. Question and Answers related to Chemistry Atomic Molecular Masses. MCQ (Multiple Choice Questions with answers about Chemistry Atomic Molecular Masses
What is the mass of hydrogen in terms of amu?
Options
A : 1.0020 amu
B : 1.0180 amu
C : 1.0070 amu
D : 1.0080 amu
A sample of carbon that contains 70% carbon-12 and 30% carbon-14. What do you think is the average atomic mass of this sample?
Options
A : 14.5
B : 14.14
C : 14
D : 12
What’s the formula mass of NaCl?
Options
A : 23 u
B : 35.5 u
C : 58 u
D : 58.5 u
Calculate the molecular mass of sucrose(C12H22O11) molecule?
Options
A : 342 amu
B : 343 amu
C : 341 amu
D : 340 amu
What’s the molecular mass of carbon dioxide?
Options
A : 43
B : 28
C : 44
D : 40
What is the abbreviation of amu?
Options
A : Atomic matter unit
B : Atomic mass unified
C : Atomic mass unit
D : At mass unity
______ is the sum of atomic masses of the elements present in a molecule.
Options
A : Average atomic mass
B : Atomic mass
C : Gram formula mass
D : Molecular mass
As, per the current system, carbon-12 has been taken as the standard for measuring atomic masses.
Options
A : True
B : False
C :
D :
Nowadays, “amu” is replaced by ____
Options
A : u
B : g
C : kg
D : am
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