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