Chemistry: Acids and Bases

Bases feel

• slippery.

• dry.

• moist.

• rough.

Acids taste

• sour.

• sweet.

• bitter.

• salty

According to the Bronsted-Lowry theory, and acid is

• a proton donor and a proton acceptor

• a proton accepter only

• neither a proton donor nor a proton acceptor

• a proton donor, only

Pure water at 25 ͦ C has a pH of

• 1 X 10⁻⁷

• 1 X 10⁻¹⁴

• 14

• 7

In the reaction NH²⁻ + H₂O --> NH₃ + OH⁻, the two Bronsted-Lowry acids are

• NH²⁻ and NH₃

• H₂O and NH₃

• H₂O and OH⁻

• NH²⁻ and H₂O

A 0.12M solution of an acid that ionizes only slightly in solution would be termed ____.

• strong base

• strong acid

• weak acid

• weak base

Whose definition of acids and bases emphasizes the role of protons?

• Lewis

• Arrhenius

• Faraday

• Brønsted and Lowry

The picture shows the before and after of a titre. The total volume of liquid used is: ___ml

this substance turns litmus red

• Salts

• Bases

• Acids

• water

Tags

NGSS.HS-PS1-1

What is the concentration of a HCl solution if 24.7 cm³ of HCl are completely neutrilized by 35.8 cm³ of a 0.25 M NaOH solution?

Tags

NGSS.HS-PS1-7