Properties of Liquids
Quiz by ROSEMARIE SUAN
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- Q1
Which of the following makes up a molecule of water?
two atoms of hydrogen, two atoms of oxygen
one atom of oxygen, two atoms of hydrogen
one atom of hydrogen, two atoms of oxygen
one atom of hydrogen, one atom of oxygen
30sSTEM_GC11ABIVf-g-183 - Q2
When salt is dissolved in water, water is the _______.
solution
reactant
solvent
solute
30s - Q3
Which property of a liquid is defined as the tendency to resist an external force and minimize its surface area?
surface tension
vapor pressure
viscosity
boiling point
30s - Q4
Liquids with very high viscosity flow ___________________.
very fast
whenever it wants
very slow
not at all.
30s - Q5
What is a characteristic of liquids with weak intermolecular forces?
melt at high temperatre
evaporate quickly
diffuse slowly
have low kinetic energy
30s - Q6
The lower the boiling point, the ___ the intermolecular forces.
stronger
weaker
30s - Q7
Why does ice float?
As water freezes, it takes up more oxygen from the atmosphere, causing it to have a greater buoyancy.
As water freezes, air becomes trapped between the hydrogen bonds of water molecules.
As water freezes, it expands and its density decreases.
As water freezes, it takes up more hydrogen from the atmosphere, causing it to have a greater buoyancy.
30s - Q8
Small insects can walk across the surface of calm water. Their feet push the surface of the water down slightly, somewhat like a person walking across a trampoline, but they do not break the surface. What is the best explanation for why this happens?
The insects are small enough to see the individual water molecules, so they are able to step carefully from one molecule to the next
The insects' feet are non-polar, so they are repelled by the polar water molecules and are pushed away from the water's surface
The insects actually use their wings to hover slightly above the water's surface and they only skim it with their feet
The insects are light enough so that they do not break the hydrogen bonds holding the water molecules together
30s - Q9
What is the term used to describe the tendency of molecules of the same kind to stick to one another?
adhesion
cohesion
solution
polar molecule
30s - Q10
Water beads up on the surface of a penny because of this property.
adhesion
High surface tension
cohesion
viscosity
30s - Q11
Water's ability to stick to glass is
adhesion
surface tension
viscosity
cohesion
30s - Q12
Cohesion occurs due to which type of bonding?
dipole-dipole
ion-dipole
Hydrogen bonding
London dispersion
30s - Q13
Why do the atoms of a water molecule have partial charges?
Hydrogen donates an electron to oxygen
oxygen donates electron to hydrogen
there is unequal sharing of electrons
opposite attracts
30s - Q14
Which of the following is not one of water's special properties?
high viscosity
high surface tension
high specific heat capacity
Density anomally
30s - Q15
Water falling from clouds forms a rain drop because of what?
adhesion
cohesion
viscosity
covalent bonding
30s