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Solutions, acids and bases
8th grade physical science
Terms in this set (15)
What are the three factors that affect solubility?
Temperature, agitation and surface area
If you break a substance into smaller pieces, what happens to the surface area? To solubility?
Surface area increases and solubility increases.
What are the three words used to describe the concentration of a solution?
Saturated, supersaturated and unsaturated.
Saturated is under, over or on the line?
On the line.
Unsaturated is under, over or on the line?
Under the line .
Supersaturated is under, over or on the line?
Over the line.
When mixing together salt and water, which one is the solute and which one is the solvent?
The solute is the salt
The solvent is the water
Does solubility increase, decrease or stay the same as temperature increases? What is the exception to this rule?
Increase. The exception is gases. Where the solubility decreases the temperature stays the same.
Is it better to use a strong or weak acid if you are trying to conduct electricity well?
What happens to the kinetic energy of particles as temperatures is increased?
Kinetic energy goes up
What happens when an acid and base react? What do they form?
They neutralize when they react. They form salt.
What color does litmus paper turn in the presence of an acid?
What color does litmus paper turn in the presence of a base?
What ion is present in an acid?
What ion is present in a base?
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