Question 1: Which of the following is a property of acids?

Answer: Sour taste

Question 2: True or False: Acids have a pH greater than 7.

Answer: False

Question 3: What is the pH value of a neutral solution?

Answer: 7

Question 4: Match the following terms to their definitions:

Answer: See full answer key

Question 5: Order the following steps in the neutralization process:

Answer: See full answer key

Question 6: Calculate the pH of a solution with a hydrogen ion concentration of 1 x 10^-3 M. Use the formula pH = -log[H+].

Answer: 3

Question 7: Fill in the blank: A base is a substance that releases ________ ions in solution.

Answer: hydroxide

Question 8: Explain how the pH scale is used to classify solutions as acidic, basic, or neutral. Include examples.

Answer: The pH scale ranges from 0 to 14, with 7 being neutral. Solutions with a pH less than 7 are acidic, while those with a pH greater than 7 are basic. For example, vinegar is acidic with a pH around 3, and soap is basic with a pH around 9.

Question 9: True or False: Bases turn litmus paper red.

Answer: False

Question 10: What is the effect of adding a base to an acidic solution?

Answer: It decreases the acidity, raising the pH towards neutral.

Question 11: Explain why pH is an important factor in environmental science.

Answer: pH affects biological processes, solubility of minerals, and chemical behavior, influencing ecosystem health and water quality.

Question 12: Multiple choice: Which ion is responsible for the acidity of a solution?

Answer: Hydrogen ion

Question 13: Multiple choice: Which of the following solutions is most likely to have a pH of 13?

Answer: Bleach

Question 14: Name one application of pH measurement in industry.

Answer: In the food industry to ensure product safety and quality.