Lesson 2.6: Investigation: Acids and Bases, Page 4

Now complete page 4, "Defining Bases" of the the applet "Acids and Bases". 

Then, answer the following questions.  

Question 1. Circle the correct word for each underlined part.  A base will turn blue/red litmus paper blue/red, while leaving blue/red litmus paper blue/red.

Question 2. Circle the correct word for the underlined part.  Bromothymol blue will be blue/yellow in a basic solution.

Question 3. Circle the correct word for the underlined part.  Phenolphthalein will be clear/pink in a basic solution.

Question 4. Circle the correct word for the underlined part.  All bases conduct/do not conduct electricity and have a pH greater/less than 7.

 

Check your answers with those that follow.

 

 

 

 

 

 

 

 

 

 

 

Answers to Questions:

Question 1. Circle the correct word for each underlined part.  A base will turn blue/red litmus paper blue/red, while leaving blue/red litmus paper blue/red.

A base will turn red litmus paper blue while leaving blue litmus paper blue.

Question 2. Circle the correct word for the underlined part.  Bromothymol blue will be blue/yellow in a basic solution.

Bromothymol blue will be blue in a basic solution.

Question 3. Circle the correct word for the underlined part.  Phenolphthalein will be clear/pink in a basic solution.

Phenolphthalein will be pink in a basic solution.

Question 4. Circle the correct word for the underlined part.  All bases conduct/do not conduct electricity and have a pH greater/less than 7.

All bases conduct electricity and have a pH greater than 7.


Click on the page forward to continue this investigation of Lesson 2.