Question 1 of 30

2.0/ 2.0 Points

When you read the label on a chemical container, what are the

three most importantpieces of information?

The three most important pieces of information are the label

name, theconcentration and the hazard warning.

Question 2 of 30

2.0/ 2.0 Points

How many times should you read the information of a

chemical container beforeyou open the container?

You should read the information twice. The information of a

chemical containershould be read and reread.

Question 3 of 30

2.0/ 2.0 Points

Is it important to be exact when preparing a chemical reaction?

Explain.

Yes, it is very important to be exact when preparing a

chemical reaction. It could be dangerous to mix the wrong

amounts of chemicals. Also, it is important to measure exactly

what you need, so you do not waste any chemicals.

Question 4 of 30

2.0/ 2.0 Points

What should you do with leftover chemicals after an

experiment? What should youdo with the products of an

experiment?

You should dispose of it in a specific container. There is also

specific waste containers for products. Non-hazardous

products can be placed in the trashcan. Youshould never