Types of Mixtures
Solubility and Concentration
Properties of Acids and Bases
Acids and Bases in Solutions
Digestion
100
A mixture that contains a solvent and at least one solute.
What is Solution
100
The amount of solute dissolved in a certain amount of solvent.
What is Concentration
100
Acids have a _______ taste.
What is Sour
100
Acids produce _________ ions in a solution with water.
What is Hydrogen
100
The physical process of tearing and grinding large pieces of food into smaller one.
What is Mechanical Digestion
200
The part of a solution that dissolves the other substances
What is Solvent
200
The formula for concentration
What is solute/solvent X 100
200
Acids react with metals and produce _______________
What is Hydrogen Gas
200
Bases produce _________ ions in a solution with water.
What is Hydroxide
200
Food is mixed with saliva in the mouth. The pH of the saliva is __________
What is Neutral or 7
300
Known as the "universal solvent"
What is Water
300
A mixture that has little solutes dissolved in the solvent
What is Dilute Solution
300
Bases have a ___________ feel.
What is Slippery
300
A low number on the pH scale = ___________ concentration of hydrogen ions.
What is High
300
The enzyme in the stomach responsible for breaking down protein molecules.
What is Pepsin
400
Solutes ________ the freezing point of solutions.
What is Lower
400
A solution that has more dissolved solute than is predicted by its solubility.
What is Supersaturated Solution
400
Bases turn red litmus paper to _____________
What is Blue
400
pH > 7 represents a ___________ solution.
What is Basic
400
The small intestine has a ___________ environment.
What is Basic
500
The mixture that has small particles that scatter light.
What is Colloid
500
Increased temperature __________ the solubility for most gases.
What is Decreases
500
When we eat fruit, we eat __________ acid.
What is Citric
500
An acid that disassociates completely, or that makes a lot of ions in water
What is Strong Acid
500
__________ digestion takes place with the help of enzymes.
What is Chemical
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