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Showing posts with label pH Scale Quiz. Show all posts
Showing posts with label pH Scale Quiz. Show all posts

Friday, November 9, 2018

pH Scale Quiz

Today in science our class did the pH scale quiz. I was working with my friends Shontelle and Tehya. The questions were interesting and I also learnt about hydrogen. 

 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 hydrogen 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

Baking soda is also known as sodium bicarbonate, and yes it does have a pH of 9 because it makes it a mildly alkaline substance.
Task 2

Create a doc illustrating the pH scale.
Image result for pH is a measure of ____________ ions