Bases
Physical Properties
Chemical Properties
Trivia
100

Bases are...

Hydroxides

100

How can you tell if a solution is an acid or a base?

Using pH paper

100

Bases react with ________ to form________


Name of the indicator that measures acidity/base

acids, salt water



100

Name 2 examples of everyday uses for bases

Toothpaste, soap, bleach

200

How do you form the nomenclature for Bases?

Name of Metal Ion + Hydroxide

200

List 2 physical properties of bases

Slippery touch, Conducts electricity, Bitter taste

200

Name one chemical property of bases

Corrosive in nature


200

What is the name and formula for the base of Calcium?

Calcium Hydroxide Ca(OH)2

300

What is the exception to metal hydroxides? And what is it used for?

Ammonia and it is used for cleaning purposes

300

When in contact litmus paper, bases have the ability to...

Change color
300

What happens to the litmus paper under basic (alkaline) conditions? 

It turns blue

300

What is the common use of Calcium Hydroxide?

Cement

400

Name two examples of bases

1. Aluminum Hydroxide 

2. Calcium Hydroxide

400

Aqueous solutions of all alkalis contain... 

Hydroxide

400

What base is closer to 14: bleach or drain cleaner?

Drain cleaner


400

Define strong bases.

A strong base is one that disassociates completely in water.

500

Draw the Lewis Structure of Aluminum Hydroxide. 

                 OH

                  |

        HO  - Al -  OH      

500

What is the pH of a base?

Greater than 7

500

From 1-14, estimate the pH for each of the following:

1. Baking soda

2. Lemons

3. Blood

1. 9

2. 3

3. 7

500

Give two examples of strong bases.

  • Potassium hydroxide (KOH)
  • Sodium hydroxide (NaOH)
  • Barium hydroxide (Ba(OH)2)
  • Caesium hydroxide (CsOH)
  • Strontium hydroxide (Sr(OH)2)
  • Calcium hydroxide (Ca(OH)2)
  • Lithium hydroxide (LiOH)
  • Rubidium hydroxide (RbOH)