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Introduction To Chemistry
Test Description: It is a trial run
Instructions: Answer all questions to get your test result.
1) What is chemistry
A
It is the study of humans
B
None
C
it is the study of atoms and particles
D
it is the study of numbers
2) What is mole
A
molar mass/mass
B
mass/molar mass
C
volume x gas constant
D
mass x molar mass
3) How is the volume of gas calculated?
A
gas constant x mol
B
cant be calculated
C
gas constant / mol
D
mol x molar mass
4) NaCl is a
A
covalent compound
B
ionic compound
C
metal
D
wood
5) CCl4 has
A
metal bonds
B
no bonds
C
covalent bonds
D
ionic bonds
6) Ionic substances are
A
hard and brittle
B
soft
C
bouncy
D
hard and sturdy
7) Which of these is not an intermolecular force
A
hydrogen bonds
B
covalent bonds
C
Van der waals
D
dipole-dipole
8) The angle between BF3 is
A
145 degrees
B
180 degrees
C
120 degrees
D
130 degrees
9) The angle in a water molecule is
A
104.5 degrees
B
101 degrees
C
107 degrees
D
100 degrees
10) Which is the strongest intermolecular force
A
covalent bonds
B
dispersion force
C
hydrogen bonds
D
dipole-dipole bonds
*select an answer for all questions
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