問題一覧
1
What is a chemical capable of maintaining the pH of a solution at a stable level called?
buffer
2
Solutions with a pH value less than 7 are defined as ______ and those with values greater than 7 are considered to be ______.
acid, base
3
Salts are ______ compounds.
ionic
4
A solution with a pH value of 2 is how many times more acidic than a solution with a pH value of 4?
100 times more acidic
5
What is the most abundant salt in the body?
calcium phosphate
6
When the concentrations of hydrogen ions and hydroxide ions in a solution are equal, the pH is what?
7
7
Which of the following are primary categories of organic compounds? (Select all that apply)
lipids, nucleic acids, carbohydrates
8
At which pH value are the concentrations of H+ and OH- equal?
7
9
Select the elements that are present in carbohydrates.
oxygen, carbon, hydrogen
10
Which organic compounds include sugars and starches and serve as a major energy source?
carbohydrates
chapter 2
chapter 2
ユーザ名非公開 · 10問 · 4ヶ月前chapter 2
chapter 2
10問 • 4ヶ月前ユーザ名非公開
chapter 2
chapter 2
ユーザ名非公開 · 10問 · 4ヶ月前chapter 2
chapter 2
10問 • 4ヶ月前ユーザ名非公開
chapter 2
chapter 2
ユーザ名非公開 · 10問 · 4ヶ月前chapter 2
chapter 2
10問 • 4ヶ月前ユーザ名非公開
chapter 2
chapter 2
ユーザ名非公開 · 10問 · 4ヶ月前chapter 2
chapter 2
10問 • 4ヶ月前ユーザ名非公開
chapter 2
chapter 2
ユーザ名非公開 · 10問 · 4ヶ月前chapter 2
chapter 2
10問 • 4ヶ月前ユーザ名非公開
chapter 2
chapter 2
ユーザ名非公開 · 10問 · 4ヶ月前chapter 2
chapter 2
10問 • 4ヶ月前ユーザ名非公開
chapter 2
chapter 2
ユーザ名非公開 · 10問 · 4ヶ月前chapter 2
chapter 2
10問 • 4ヶ月前ユーザ名非公開
chapter 2
chapter 2
ユーザ名非公開 · 10問 · 4ヶ月前chapter 2
chapter 2
10問 • 4ヶ月前ユーザ名非公開
chapter 2
chapter 2
ユーザ名非公開 · 10問 · 4ヶ月前chapter 2
chapter 2
10問 • 4ヶ月前ユーザ名非公開
問題一覧
1
What is a chemical capable of maintaining the pH of a solution at a stable level called?
buffer
2
Solutions with a pH value less than 7 are defined as ______ and those with values greater than 7 are considered to be ______.
acid, base
3
Salts are ______ compounds.
ionic
4
A solution with a pH value of 2 is how many times more acidic than a solution with a pH value of 4?
100 times more acidic
5
What is the most abundant salt in the body?
calcium phosphate
6
When the concentrations of hydrogen ions and hydroxide ions in a solution are equal, the pH is what?
7
7
Which of the following are primary categories of organic compounds? (Select all that apply)
lipids, nucleic acids, carbohydrates
8
At which pH value are the concentrations of H+ and OH- equal?
7
9
Select the elements that are present in carbohydrates.
oxygen, carbon, hydrogen
10
Which organic compounds include sugars and starches and serve as a major energy source?
carbohydrates