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Showing posts with label pH scale qiuz. Show all posts
Showing posts with label pH scale qiuz. Show all posts

Friday, November 9, 2018

pH Scale Quiz

Today my class had science and we did a pH scale quiz. I was working with my friends Addyson and Tehya on this quiz. The questions were interesting and stuff I didn't know. So I learnt about all the questions today. I'm glad my class and I did this quiz because now I know more about different science chemicals. Also looking at all the different pH scales on the internet. 😀😁

Here's my quiz:  
Task 1

Complete the quiz below

Neutral solutions have a pH of 0 7 14

What colours 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
Baking soda, also known as sodium bicarbonate, has a pH of 9, making it a mildly alkaline substance.
Task 2

Create a doc illustrating the pH scale.