Question

1. choose the best answer.

a____ sign is used to identify whether a chemical needs special handling or storage.
msds
hazmat
poster
label

1. match the correct term to complete the sentence.

a(n) variable does not change in an experiment.

Explanation:

• MSDS (Material Safety Data Sheet) is a document, not a sign.
• Hazmat (hazardous materials) signs are used to identify chemicals that need special handling or storage.
• A poster is a general display, not specifically for chemical handling/storage identification.
• A label can be more general, while hazmat sign is more specific for the given context.

Answer:

B. hazmat