acids and bases

What is the range of pH values in an acidic solution?

• 0-7
• 7-14
• 15-239058204958
• pH = 7

What methods can you use to measure the pH of a solution?

• Observing color or clarity
• Measuring mass or volume
• Measuring density or electrical conductivity
• Using acid base-indicators or pH meters

Tastes bitter.

• Acids
• Bases
• Salts
• All

Values from 0-14 that determine the acidity of a solution

• Molarity
• Electronegativity
• pH scale
• Solubility

What would be considered the weakest base? 

• 8
• 14
• 7.8
• 11.6

When using pH paper, the pH of a solution can be determined by looking at the _______ of the paper.

• texture
• color
• length
• mass

The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been?

• 3
• 9
• 7
• 5

 Which of the following is an acid?

• shampoo
• baking soda
• orange juice
• water

Carrie's teacher hands out test tubes filled with different chemicals and tells the students to identify their liquid as an acid, base, or neutral chemical. Carrie's test tube contains a clear chemical. She adds phenolpthalein to her test tube and gently moves the tube from side to side. A few moments later, the chemical in the test tube turns bright pink.
What type of chemical does Carrie have?

• Carrie has a neutral chemical.
• Carrie has an acidic chemical.
• Carrie has a basic chemical.
• The type of chemical Carrie has cannot be determined.

Which of the following statements is correct?

• Blue litmus paper turns red when placed in a base.
• Red litmus paper turns blue when placed in a base.
• Blue litmus paper stays blue when placed in an acid.
• Red litmus paper stays red when placed in a base.