Acids and Bases with pH Scale

Which of the following is a possible pH for a strong base? 

• 1
• 8
• 7
• 13

Which of the following is a possible pH for a strong acid? 

• 1
• 6
• 7
• 13

What happens when an acid and a base mix? 

• Optimization of ions
• Equalization of charges
• Neutralization Reaction
• Nebular theory

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Bleach has a pH of about 13. It would be considered...

• an acid
• a strong base
• a neutral substance
• a weak base

Pure water (H₂O) has a pH of 7 and is considered to be...

• a base
• a neutral substance
• both an acid and a base
• an acid

The table below lists the approximate pH values of common household items. Which of the above items is the most basic?

• vinegar
• baking soda
• ammonia
• lemon juice

The table below shows the pH of several solutions. Which solution has the greatest concentration of H⁺ ions?

• vinegar
• milk
• water
• bleach

What primarily determines the pH of a solution?

• solubility of a solute
• Hydrogen ion (H⁺) concentration
• temperature of the solution

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

Which statement is true?

• Acids start with H and bases end with OH
• Acids start with OH and bases end with H
• Acids end with H and bases start with OH
• Acids end with OH and bases start with H