January 30th Unit 7 Test Science

Front

Sugar solution does NOT change the color of either blue or red litmus paper. Therefore, sugar solution is ______________.

Back

neutral

Front

What is the purpose of using litmus paper in testing solutions?

Back

To determine acidity or basicity

Front

What is the pH value of pure water?

Back

7

Front

Fill in the blank: Lemon juice is considered a/an ______.

Back

acid

Front

Which of the following items is considered an acid? lemon juice, Tums, Windex (ammonia), soap

Back

lemon juice

Front

Fill in the blank: _______ is a common household item that is acidic.

Back

vinegar

Front

Baking soda is a ______.

Back

base

Front

A pH of 6 is ______________

Back

slightly acidic

Front

The chemical equation that represents a double replacement reaction is ____.

Back

AB + CD → AC + DB

Front

What is the pH value of milk?

Back

6