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25 questions
What property do all three of these common household substances have in common?
-Pepsi
-Vinegar
-Orange Juice
They are all acidic
They all have a pH above 7
They all taste bitter
Many common household substances may be classified as acids or bases. According to the pH scale:
baking soda is a weak base while bleach is a strong base.
coffee is a weak acid while drain cleaner is a strong acid.
oven cleaner is a weak acid while battery acid is a strong acid.
drinking water is a weak base while soapy water is a strong base.
The pH scale runs from 0 to 14, and is an indication of how acidic or basic a solution is. A pH close to zero indicates a(n) _______ solution, and a pH near 14 indicates a(n) _______ solution.
acidic, basic
basic, acidic
neutral, acidic
neutral, basic
What property do all three of these common household substances have in common?
-Bleach
-Detergent
=Ammonia
They are all acidic.
They all taste sour.
They all have a pH above 7.
Where in the Venn diagram would we add the phrase electrical conductor?
A
B
C
D
Your mother has an unlabeled bottle of clear liquid in the refrigerator. You ask your mother about it, and she tells you that she bought it at the store for you to drink but the label must have fallen off. You pour a small cup of the liquid and taste it, and it has a distinctly sour flavor. The pH of this liquid is MOST likely
0
7
below 7
above 7
BOTH acids and bases
are a component of soap
have a positive charge when dissolved in water
conduct electricity
Oven cleaner is a highly caustic chemical that reacts with baked on foods. It is dangerous to the touch and has a very slippery feel.What is the likely pH of oven cleaner?
Below 4
Around 7
Above 10
Between 5 and 7
Neutralization, the chemical reaction combining an acid with a base to produce a neutral solution, always produces a salt and
water
hydrogen gas
carbon dioxide
According to the scale, which of these substances is the strongest acid?
NaOH
blood
bleach
lemon juice
According to the pH chart, which is the strongest base?
HCl
Bleach
NaOH
saliva
Conducts electricity:
Acid
Base
Both acid and base
Feels slippery:
Acid
Base
Both acid and base
Salt
Has a pH greater than 7:
Acid
Base
Both acid and base
Salt
Has a pH less than 7:
Acid
Base
Both acid and base
Salt
Bitter taste:
Acid
Base
Both acid and base
Salt
Sour taste:
Acid
Base
Both acid and base
Salt
Product of a neutralization reaction:
Acid
Base
Salt
Both acid and base
Has a neutral pH:
Acid
Base
Salt
Both acid and base
Reactant of neutralization reaction:
Acid
Base
Both acid and base
Salt
Litmus paper is made from water-soluble dyes which are extracted from lichens. This paper is used as an acid-base indicator. Which of these common household substances would turn blue litmus paper red?
bleach
baking soda
soap
vinegar
Lemon Juice
Tums (antacid)
Water
Put all of the above household items in order from lowest to highest pH.
Lemon juice, water, Tums
Water, Tums, Lemon Juice
Tums, Water, Lemon Juice
Lemon Juice, Tums, Water
Tomato Juice
Bleach
Water
Put all of the above household items in order from highest to lowest pH.
Tomato juice, water, bleach
bleach, water, tomato juice
water, tomato juice, bleach
tomato juice, bleach, water
Milk of magnesia is a base. What happens when you drink milk of magnesia for an upset stomach?
It raises the pH of your stomach.
It lowers the pH of your stomach.
It cleanses the stomach of harmful, painful bacteria.
It coats the walls of your stomach with a protective layer.
Does an acid, base, or salt produce positive hydrogen ions (H+)?
acid
base
salt
all of the above
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