1. What does the skull and crossbones symbol on a chemical label mean?

A) The chemical is safe to handle
B) The chemical is toxic or fatal if swallowed
C) The chemical is flammable
D) The chemical is environmentally friendly

2. Which symbol indicates that a chemical is corrosive?

A) A flame
B) A test tube with liquid dripping onto a hand and a block
C) A dead tree and fish
D) An exclamation mark

3. What does the symbol of a flame on a chemical label signify?

A) The chemical is explosive
B) The chemical is flammable
C) The chemical is radioactive
D) The chemical is non-hazardous

4. Which symbol is used to indicate that a chemical is an irritant?

A) An exclamation mark
B) A skull and crossbones
C) A flame
D) A corrosion symbol

5. What does the dead tree and fish symbol mean?

A) The chemical is safe for the environment
B) The chemical is harmful to the environment
C) The chemical is biodegradable
D) The chemical is non-toxic