Show:
Acids
Bases
PH Scale
Indicators
Miscellaneous
100
These are two properties of acids with respect to taste and touch.
Taste sour, oily feeling.
100
These are two properties of bases with respect to taste and touch?
Tastes bitter and feels slippery.
100
What is the range of the PH Scale?
0-14
100
Red litmus turns ____ in a basic substance.
blue
100
Name a neutral substance.
Pure water.
200
This is the range of an acid on the pH scale.
Less than 7.
200
This is the range of a base on the pH scale.
More than 7.
200
This is the pH of a neutral substance.
7
200
Blue litmus paper turns ___ in a basic substance.
Blue
200
Turns red litmus red and blue litmus blue.
Neutral substance.
300
What will an acid start with?
An H. Except H20 & H2O2.
300
Most bases contain this.
Hydroxide ions - OH-
300
More acidic substances are here on a PH scale?
Farther to the left or closer to 0.
300
Blue litmus paper turns ___ in a acidic substance.
Red
300
Conducts electricity.
Acids and bases.
400
Acids will turn __________ litmus __________.
Blue to red.
400
Bases will dissolve these substances. Name at least 2.
Fats, oils, hair.
400
A strong base will be closer to this on the pH scale.
14
400
Red litmus turns ___ in a acidic substance.
Red
400
What it means to be a neutral substance. (Not the pH.)
Neither an acid nor a base. Or equal numbers of hydroxide (OH-) and hydronium (H3O+) or hydrogen (H+) ions.
500
Acids react with these two substances.
Metals and carbonates.
500
What are bases?
Substances with an abundance of OH- (hydroxide) ions.
500
What having more hydroxide (OH-) and more hydrogen (H+) ions means. (Two separate answers)
Stronger base and stronger acid.
500
Phenolphthalein turns _____ in basic substance. Hint: Did this in class Friday.
Pink
500
This forms when an acid and a base are combined during a neutralization reaction.
Water and a salt.