No student devices needed. Know more
30 questions
Stronger acids have a pH closer to...
7
0
14
9
Weaker bases have a pH closer to...
8
0
14
4
A pH level of 7 indicates
acid
base
neutral
none of the following
The pH scale is a range from:
1-7
0-14
1-5
1-14
What is the only substance with a neutral pH of 7?
Milk
Orange Juice
Pure water
Bleach
Which of the following is an acid?
soap
baking soda
orange juice
pure water
What would be considered the weakest base?
3
14
8.2
11.6
Which property is not associated with acids?
Sour taste
strong acids can burn you
turns litmus paper blue
reacts with metals
Ammonia has a pH of 11. Ammonia is __________.
an acid
a base
an element
a metal
Which of the following is true about acids and bases?
The lower the pH #, the stronger the acid
the higher the pH #, the stronger the acid
The lower the pH #, the more neutral the acid
The higher the pH #, the weaker the base
What type of paper is used to test for acids and bases?
Red paper
Blue paper
Lined paper
Litmus paper
Tastes sour
acid
base
neutral
both acids & bases
You test a solution with pH paper, and the paper turns blue. The solution is ______.
neutral
an acid
a base
an acid & a base
What would be considered the strongest base?
8
14
7.8
11.6
Tastes bitter.
Acids
Bases
None of the following
Acids & Bases
A sour taste is a characteristic of:
acids
bases
neutral
pH scale
Which is a characteristic of a base?
tastes sour
found mostly in foods
feels slippery
turn litmus paper red
According to the pH scale, which item is more acidic than lemons?
battery
vinegar
milk
blood
According to the pH scale, which item is a stronger base than soap?
baking soda
ammonia solution
tomato
bleach
Which of the following is the weakest base?
oven cleaner - 13.5
lemon juice - 2.5
soap - 10
blood - 8.4
Which of the following is the strongest base?
oven cleaner - 13.5
lemon juice - 2.5
soap - 10
blood - 7.4
Which of the following is the strongest acid?
oven cleaner - 13.5
lemon juice - 2.5
soap - 10
blood - 7.4
Which of the following is the strongest base?
soap - 10
Hydrochloric acid - 0
blood - 7.45
soft drink - 3
Milk is a very weak acid. What might its pH value be?
6.5
7.8
4.2
12.2
If the substance is neutral, what would the pH be?11
3
5
7
9
11
What do acids & bases have in common?
Both can harm you if they're strong
Both are compounds
Both have a taste to them
Both taste sour
Explore all questions with a free account