Acids, Bases, and pH Test

Which statement is true?

• Electrolytes dissociate (split up) in water.

• Nonelectrolytes dissociate (split up) in water.

Which of the following best describes a weak electrolyte?

• Solution where the solute completely dissociates

• Solution where the solute partially dissociates

• Solution where the solute does not dissociate

• Solute that does not dissolve in a solvent

Which of the following best describes a strong electrolyte?

• Solution where the solute completely dissociates

• Solution where the solute partially dissociates

• Solution where the solute does not dissociate

• Solute that does not dissolve in a solvent

What ions does water split into?

• Ca and 2OH

• Hᐩ and OH⁻

Tags

NGSS.MS-PS1-1

If there are more hydrogen ions (Hᐩ) than hydroxide ions (OH⁻), the solution is _____

• acidic

• basic

• neutral

If there are equal amounts of hydrogen ions and hydroxide ions, the solution is _______.

• acidic

• basic

• neutral

A(n) ______ is a substance with a pH less than 7

• Acid
• Alkaline
• Base
• Buffer

A(n) _______ is a substance with a pH greater than 7.

• Base
• Acid
• Buffer
• Water

A sour taste is a characteristic of:

• acids

• bases

• neutral

• pH scale

Which is a characteristic of a base?

• tastes sour

• found mostly in foods

• feels slippery

• turn litmus paper red