Worksheets4/22/21 Water- A Unique Chemical Video Quiz
Total questions: 15
Worksheet time: 8mins
The polarity of water creates strong ______ bonds between water molecules.
carbon
hydrogen
nitrogen
phosphorus
The strong intermolecular forces in water result in a melting point of ______ degrees Celsius and a boiling point of ______ degrees Celsius.
-20...200
0...100
10...150
20...300
What forms when two immiscible liquids, like oil and water, are mixed?
aerosol
ATP
emulsion
solution
Water is ______, which means it can act as an acid or a base.
amphoteric
ergonomic
isothermic
opaque
The chemical reactions that occur during ______ involve water.
cellular respiration
digestion
photosynthesis
All of the above.
Water exists in all phases on the Earth.
True
False
When water solidifies to become ice it
expands and becomes more dense so it will sink in liquid water.
contracts and becomes more dense so it will sink in liquid water.
expands and becomes less dense so it will float on liquid water.
contracts and becomes less dense so it will floats on liquid water.
Some physical properties of water are it is
(select all that apply)
transparent.
colorless.
odorless.
high surface tension
Water is classified as
an ionic compound.
a covalent compound.
a metallic compound.
The correct formula for water is
H2O
H2 O2
HO
H2O
The polarity of water changes because
protons move around the molecule.
neutrons move around the molecule.
electrons move around the molecule.
the nucleus moves around the molecule.
Water's ability to dissolve so many substances makes it the
universal solute.
universal solvent.
aqueous solute.
aqueous solvent.
The hydrolysis chemical reaction means
splitting with water.
splitting with ATP.
splitting with electricity.
splitting with heat energy.
Water can be split into hydrogen and oxygen molecules by the process of
photosynthesis.
electrolysis.
digestion.
combustion.
When a substance dissolves in water, the result is called
an aqueous solution.
a colloid.
a precipitant.
an emulsion.
