(03.05 MC)
Biology, 05.11.2020 18:10 risolatziyovudd
Do it all there's not a lot
Question 1(Multiple Choice Worth 2 points)
(03.05 MC)
Which description is not a property of an acid?
pH lower than 7
Turns litmus paper blue
Sour taste
Corrosive
Question 2(Multiple Choice Worth 2 points)
(03.05 MC)
Which item is made from a basic ingredient?
Soda
Wine
Leafy vegetables
Toothpaste
Question 3(Multiple Choice Worth 2 points)
(03.05 MC)
Which description is not a property of a base?
Bitter taste
Corrosive
Caustic
pH higher than 7
Question 4 (Matching Worth 4 points)
(03.05 LC)
Match the term with its description.
Match Term Definition
Acid A) A value from 0 to 14 that is used to specify how acidic or basic a compound is when it is dissolved in water
Base B) A compound that increases hydrogen ions (H+) when it is dissolved in a solution
pH C) A compound that increases hydroxide ions (OH−) when it is dissolved in a solution
Litmus paper D) Used to measure the pH of substances by determining their hydrogen ion concentration
Question 5(Multiple Choice Worth 2 points)
(03.05 MC)
Complete the sentence. The higher the hydrogen ion concentration, the the pH.
higher
lower
closer to 7
closer to 14
Question 6(Multiple Choice Worth 2 points)
(03.05 MC)
Which description of salt is a chemical property?
No combustion
Odorless
Salty taste
Solid does not conduct electricity
Question 7(Multiple Choice Worth 2 points)
(03.05 MC)
Complete the sentence. When an acid is added to water, hydroxide ions .
increase
decrease
stay the same
disappear
Question 8(Multiple Choice Worth 2 points)
(03.05 MC)
Which substances will make a salt when combined?
Vinegar and antacids
Soda and wine
Soap and ammonia
Fertilizer and detergent
Question 9 (Fill-In-The-Blank Worth 2 points)
(03.05 LC)
Which number represents a basic pH, 4 or 9?
Numerical Answers Expected!
Answer for Blank 1:
Answers: 1
Biology, 22.06.2019 13:00, dianelys3083p5spb5
Which of the following cell structures is significantly different between gram- positive and gram-negative bacteria?
Answers: 3
Biology, 22.06.2019 15:00, sparky1234
Which of th following is needed for cellular respiration to occur
Answers: 1
Do it all there's not a lot
Question 1(Multiple Choice Worth 2 points)
(03.05 MC)
(03.05 MC)
Advanced Placement (AP), 20.06.2020 22:57
Mathematics, 20.06.2020 22:57
Mathematics, 20.06.2020 22:57
Computers and Technology, 20.06.2020 22:57
Mathematics, 20.06.2020 22:57