OSHA HazCom / GHS practice questions and answers 2026. Tap an option to test yourself — you'll see the correct answer and a plain-English explanation for every question. Free, no login.
Q21The red border of a GHS pictogram is required for what reason?
✓ Correct answer: B. So the hazard symbol stands out and is internationally recognizable
The bold red diamond border makes the pictogram quickly recognizable worldwide regardless of language.
Topic: GHS Pictograms
Q22Which of these is NOT one of the nine GHS pictograms?
✓ Correct answer: B. Radiation trefoil
The radiation trefoil is a separate radiological symbol and is not part of the nine GHS hazard pictograms.
Topic: GHS Pictograms
Q23How many specific pictograms are mandated by OSHA on chemical labels?
✓ Correct answer: C. 8
OSHA's HCS requires the use of 8 of the 9 GHS pictograms on chemical labels (the environmental hazard pictogram is not mandated by OSHA, though other agencies may require it).
Topic: GHS Pictograms
Q24GHS uses how many signal words on labels?
✓ Correct answer: B. Two
GHS uses exactly two signal words: 'Danger' and 'Warning'.
Topic: Signal Words
Q25Which signal word indicates the MORE severe hazard category?
✓ Correct answer: C. Danger
'Danger' is used for more severe hazard categories; 'Warning' is used for less severe ones.
Topic: Signal Words
Q26Which signal word indicates a LESS severe hazard?
✓ Correct answer: B. Warning
'Warning' signals the less severe hazard categories; 'Danger' is reserved for the more severe ones.
Topic: Signal Words
Q27How many signal words may appear on a single GHS label?
✓ Correct answer: B. Only the one for the most severe hazard
Only one signal word appears per label. If any hazard warrants 'Danger', only 'Danger' is shown — 'Warning' is omitted.
Topic: Signal Words
Q28Is 'Caution' a valid GHS signal word?
✓ Correct answer: B. No — only 'Danger' and 'Warning' are used
'Caution' is not a GHS signal word. GHS standardizes on just 'Danger' and 'Warning'.
Topic: Signal Words
Q29A product label reads 'Danger'. What does this tell the user?
✓ Correct answer: B. The product presents a more severe hazard category
'Danger' communicates a more severe hazard than 'Warning' and should prompt extra caution.
Topic: Signal Words
Q30Where on a GHS label is the signal word typically placed?
✓ Correct answer: B. Prominently, near the pictograms and product identifier
The signal word is a required, prominent label element shown with the pictograms, hazard statements, and product identifier.
Topic: Signal Words
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Theory