A picture of a ______ is the label pictogram on a chemical that warns of a product's acute toxicity.

• A. exclamation mark
• B. skull and crossbones
• C. gas cylinder
• D. flame

Answer: (B)

Verified step by step guidance

1. Understand that the question is asking about the specific pictogram used on chemical labels to indicate acute toxicity.
2. Recall that the Globally Harmonized System (GHS) of Classification and Labeling of Chemicals uses standardized pictograms to communicate hazards.
3. Identify that acute toxicity refers to the harmful effects that occur shortly after exposure to a chemical, often severe or fatal.
4. Know that the pictogram representing acute toxicity is the 'skull and crossbones,' which visually warns of poisonous substances.
5. Recognize that other pictograms like the exclamation mark, gas cylinder, and flame represent different hazards such as irritants, gases under pressure, and flammables, respectively.