Solutions and pH

Water and Kool-Aid are mixed together. Hot water, coffee and sugar are mixed together. Which substance is the solvent in both?

• Water
• Coffee
• Kool-aid
• Sugar

What is a substance that is dissolved in another substance?

• solvent

• solute

If an acid is combined with a base of equal strength, the result will most likely be

• a neutral solution.

• a stronger acid.

• a stronger base

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

Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?

• strongly acidic
• slightly acidic
• strongly basic
• slightly basic

Many cleaning solutions are bases. Which of the following is a property of most bases?

• feels slippery

• tastes sour

Which of the following word pairs correctly completes the sentence below?
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.

• Acids; pH less than 7
• Acids; pH greater than 7
• Bases; pH greater than 7
• Bases; pH less than 7

When dissolved in water, acids produce:

• Hydrogen ions (H+)

• Hydroxide ions (OH-)

Which type of ion does a base produce when it is dissolved in water?

• Hydrogen ions (H+)

• Hydroxide ions (OH-)

Which of the following is true about acids?

• The lower the pH, the stronger the acid

• The higher the pH, the stronger the acid