WorksheetsAcids and Base Intro Pre-Lab
Total questions: 14
Worksheet time: 8mins
Which of the following must you do before beginning the lab?
Put on gloves
Put on goggles
Put on a lab coat
Wash your hands
A pH less than 7 means the solution is a(n)...
Acid
Bases
All
If your slip of paper turns pink, this means your solution is a(n)...
Acid
Base
Neutral
Which range of numbers represents a basic solution?
0-6
7
8-14
3-9
If your slip of paper turns blue, this means your solution is a(n)...
Acid
Base
Neutral
If your slip of paper turns green, this means your solution could be (a) ____ or (a) ____
Acid
Base
Neutral
If your slip of paper turns orange, this means your solution is a(n)...
Acid
Base
Neutral
If you accidentally get some of the liquid on your skin, which actions should you take? Select all that apply.
Panic because I am going to die
Calmy wash my hands with soap and water
Alert Ms. Harrison
Do nothing and wipe it on my shirt
What is the ziploc baggie for?
To hold unused pH strips before beginning the lab
To hold pH strips after they have been used
True or False: It is perfectly acceptable to lift the clear containers off of their trays.
True
False
This image shows how I'd like you to format your observations.
If the pH strip turns orange, which is the correct observation?
The pH strip turned orange, indicating a pH level of 2.5. This substance is an acid.
The pH strip turned orange, indicating a pH level of 4. This substance is an acid.
The pH strip turned orange, indicating a pH level of 2.5. This substance is a base.
The pH strip turned orange, indicating a pH level of 3.5. This substance is a base.
This image shows how I'd like you to format your observations.
If the pH strip turns dark green, which is the correct observation?
The pH strip turned dark green, indicating a pH level of 10. This substance is an ACID.
The pH strip turned dark green, indicating a pH level of 10. This substance is a BASE.
The pH strip turned dark green, indicating a pH level of 2. This substance is an ACID.
The pH strip turned dark green, indicating a pH level of 13. This substance is a BASE.
True or False: All of the substances you are testing today are liquids.
True
False
When you are done, what do you do with the ziploc baggie?
Keep it
Throw it in a trash bin
Leave it on the table
Place in a special trash container
