Unit 10: Acids, Bases, & Salts

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

• a neutral solution.
• a stronger acid.
• impossible to tell without testing the pH.
• 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

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

• feels slippery
• white color
• can only be liquid
• 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:

• bases
• salts
• hydrogen ions
• hydroxide ions

A hydrogen ion, H⁺, is the same as a(n):

• neutron
• electron
• proton
• hydroxide ion

The esophagus is the tube that connects the mouth to the stomach. Heartburn occurs when some of the stomach juices flow backwards up the esophagus. To help relieve heartburn, a person should take medicine that is

• neutral
• basic
• 
  acidic or basic.
  
• acidic

A solution is made up of

• Solvent

• Solute

• Both solvent and solute

What is the only substance with a neutral pH of 7?

• Milk
• Orange Juice
• Water
• Blood

Tags

NGSS.HS-ESS2-5

What is the pH of a solution where the [H+] is 1.0 x 10-11?

• 11.00

• 13.00

• 14.00

• 1.00