An Acid or a Base?
Digestion
pH
Definition
Indicators
100
Sour and reacts with metals
What is an acid?
100
Chewing is an example of this type of digestion.
What is mechanical digestion?
100
The range of the pH scale.
What is 0 to 14?
100
The ion released when an acid dissolves in water.
What is the hydrogen ion (or a proton)?
100
An acid would turn litmus paper ____.
What is red?
200
Bitter and slippery
What is a base?
200
These molecules are found throughout your digestive system, and work to chemically digest your food into new substances.
What is enzymes?
200
The range of an acid on the pH scale.
What is less then 7?
200
The ion released when a base dissolves in water.
What is hydroxide ion?
200
A pH indicator changes to color in response to the ___?
What is pH?
300
baking soda
What is a weak base?
300
The order of the organs in the digestive system.
What is mouth, stomach, and small intestine?
300
The range of a base on the pH scale.
What is greater than 7?
300
If the pH of a solution is 5, would you expect to find more hydroxide ions or more hydrogen ions?
What is hydrogen ions?
300
Three examples of pH indicators.
What is litmus paper, pH paper, methyl orange, red cabbage juice?
400
vinegar
What is an acid?
400
The pH in the mouth.
What is 7.4?
400
The pH of a weak acid.
What is 6?
400
Does a solution with a pH of 6 have more or less hydrogen ions than a solution with a pH of 3?
What is less?
400
Acid rain would turn pH paper ___ .
What is red?
500
ammonia
What is a strong base?
500
The pH in your small intestine.
What is 8?
500
The pH of a strong base.
What is 13?
500
When an acid reacts with a base, this type of reaction occurs.
What is neutralization reaction?
500
Indicators can be used to monitor the reaction of acids with bases. Another name for bases, used especially when referring to bases used for medical purposes is ___.
What is antacid?
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