Q2- Post -Test # 2 Distribution and Properties of Water
Quiz by Shandielyn Abdon
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- Q1
Why is water considered to be a universal solvent?
It freezes quickly
Many substances dissolve in it
It is very acidic
All of the choices
30s - Q2
Which is not a property of water?
It can dissolve ionic and polar molecules.
The solid-state is less dense than the liquid state.
It has high surface tension.
Hydrogen bonds exist only in the solid-state.
30s - Q3
Which substance cannot dissolve in water?
none of the choices
oil
sugar
salt
30s - Q4
Water striders can walk on water because:
molecules push apart in liquid water
water has a high surface tension
all of the choices
liquid water is less dense than ice
30s - Q5
Nearby water molecules are attracted to each other by:
dipole bonds
hydrogen bonds
covalent bonds
ionic bonds
30s - Q6
Which statement explains why water molecules stick together?
both sides are negative
one side has a negative charge and the other side has a neutral charge
both sides are positive
one side has a positive charge and the other side has a negative charge
30s - Q7
The fact that ice floats on liquid water is due to the fact that water's solid is ___________ than its liquid form
less polar
more polar
more dense
less dense
30s - Q8
What two elements makeup water?
hydrogen and oxygen
helium and carbon
helium and oxygen
oxygen and carbon
30s - Q9
How much of Earth's water is saltwater?
71%
50%
97%
66%
30s - Q10
Large bodies of water do not quickly fluctuate in temperature. Why?
Water acts as a buffer.
Water has a high heat capacity.
Water is non-polar.
Water is a solvent.
30s