Solutions
Concentration and Soluability
Acids and Bases
Acids and Bases in Solutions
Digestion and pH
100
A liquid mixture in which particles can be easily seen and filtered out is known as...
What is a suspension.
100
One example of a dilute solutions is....
What is weak tea.
100
Acids turn blue litmus paper what color?
What is red.
100
Indicators are used to...
What is find the pH of a solution.
100
Chewing is an example of ....
What is mechanical digestion.
200
Mixtures that contain undissolved particles that do not settle out are know as....
What is colloids.
200
Adding so much solute to a solvent that no more dissolves gives you a...
What is a saturated solution.
200

Taste bitter and are slippery.

What are bases?

200
The pH scale is used to...
What is measure the concentration of hydrogen ions.
200
The process that breaks down complex molecules into smaller particles is known as...
What is digestion
300
Two examples of colliods are...
What is milk and mayonaise.
300

One way to increase the boiling point of  water is to....

What is add salt to the water.

300
Stong acids can etch (mark) metals because they are....
What is corrosive.
300
At the same concentrations, strong acids produce more ________________ than weak acids.
What is hydrogen ions.
300
Chemical digestion is increased/sped up by ____________ in the digestive system
What is enzymes.
400

By testing the electrical conductivity of the solution. 

How can you tell if the solution has salt in it (ionic solution)?

400

Unsaturated

What is a solution that can disolve more solute?

400
In water, bases form....
What is hydroxide ions.
400
What occurs when you mix Hydrochloric acid (acid) and drain cleaner (base)?
What is nuetralization.
400
The pH of stomach juices is _______than that of saliva.
What is lower.
500

The substance present in smaller amounts in a solution.

What is a solute?

500

One way to increase the soluability of sugar in water.

What is heat the water?

500
Water is known as....
What is the universal solvent.
500
At room temperature, a ____________________solution would contain a higher percent of solute than a saturated solution of the same substances.
What is supersaturated.
500
When pH is low, the concentration of hydrogen ions is...
What is high.
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