Ph Scale

In science today we did a quiz about the pH Scale. We had to do 2 tasks to finish it. At first, it was a wee bit difficult for me to make the scale but I finished it.

Task 1

Complete the quiz below

Neutral solutions have a pH of 0 7 14

What colour represents neutral on the pH scale Blue Red Green

What is the range covered by the pH scale 0-14 -10 - 10 0-100

pH is a measure of ____________ ions Oxygen Hydrogen Hydroxide

Acids and bases can combine to create water and salts True False

Which is not a property of a base Sour taste Bitter taste Slippery

There are a variety of strengths of acids and bases True False

Vinegar is an example of a Strong base Strong Acid Weak Acid

An acid’s pH is between 0-7 7-14 14-21

What is true when acids and bases neutralize each other;

Water is produced Salt is produced Both water and salt are produced

Does baking soda have a pH of 9?   Explain your answer

Yes, it does, because it is mostly used for baking and experiments.

______________________________________________________________________________

Task 2

Create a doc illustrating the pH scale.