WHMIS Practice Test 2026: Test de práctica 2

1. Pregunta 1 de 25

   What does this WHMIS pictogram warn you about?

   • AProducts that are dangerous to the environment and to fish
   • BProducts that give off radiation from radioactive material
   • CProducts made from plants that can cause allergies
   • DOrganisms or toxins that can cause disease in people or animals
   Ver respuesta

   Respuesta: D. Organisms or toxins that can cause disease in people or animals

   This is the pictogram for biohazardous infectious materials (Category 1).

2. Pregunta 2 de 25

   What is true about this pictogram under WHMIS?

   • AIt is a GHS pictogram for environmental hazards, which WHMIS does not require
   • BIt means the product is a biohazardous infectious material
   • CIt means the product is safe for the environment and can be poured away
   • DIt must appear on every WHMIS supplier label for every product
   Ver respuesta

   Respuesta: A. It is a GHS pictogram for environmental hazards, which WHMIS does not require

   WHMIS did not adopt the GHS environmental hazard group, so this pictogram is not a WHMIS requirement.

3. Pregunta 3 de 25

   How is the border of this pictogram different from the other WHMIS pictograms?

   • AIt has a blue square border with rounded corners
   • BIt has no border at all, just the black symbol
   • CIt has a yellow triangle border like a road warning sign
   • DIt has a black round border instead of a red diamond
   Ver respuesta

   Respuesta: D. It has a black round border instead of a red diamond

   The Hazardous Products Regulations require a black circle border for this pictogram. Other pictograms have a red border shaped like a square set on one point.

4. Pregunta 4 de 25

   Which product is most likely to carry this pictogram?

   • AA sealed sample of infectious blood
   • BA cylinder of compressed nitrogen
   • CA corrosive acid that does not burn
   • DA flammable solvent
   Ver respuesta

   Respuesta: D. A flammable solvent

   The flame pictogram is used for products that can ignite, such as flammable liquids.

5. Pregunta 5 de 25

   A product shows this pictogram. Which precaution matters most?

   • AKeep it away from clothing, paper and other materials that burn
   • BStore it next to fuels so any spills are in one place
   • CMix it with water before use to make it weaker
   • DKeep it in direct sunlight so it stays dry and warm
   Ver respuesta

   Respuesta: A. Keep it away from clothing, paper and other materials that burn

   Oxidizers can cause or intensify a fire, so they must be kept away from combustible materials.

6. Pregunta 6 de 25

   What is a key danger of products with this pictogram?

   • AThe product is infectious
   • BThe product will always catch fire in air
   • CThe container may burst or explode if it is heated
   • DThe product causes cancer
   Ver respuesta

   Respuesta: C. The container may burst or explode if it is heated

   Gas under pressure can make a container burst if it is heated. Refrigerated liquefied gases can also cause cold burns.

7. Pregunta 7 de 25

   Which signal word goes with this pictogram for acute toxicity Categories 1 to 3?

   • ANotice
   • BDanger
   • CWarning
   • DCaution
   Ver respuesta

   Respuesta: B. Danger

   The skull and crossbones is used only for the most severe acute toxicity categories, which use the signal word "Danger".

8. Pregunta 8 de 25

   Which signal word usually goes with this pictogram?

   • AWarning
   • BDanger
   • CStop
   • DCaution
   Ver respuesta

   Respuesta: A. Warning

   The exclamation mark covers less severe hazards, which use the signal word "Warning".

9. Pregunta 9 de 25

   You splash a product with this pictogram on your skin. Where on the SDS do you find the first-aid steps?

   • ASection 9, Physical and chemical properties
   • BSection 4, First-aid measures
   • CSection 16, Other information
   • DSection 14, Transport information
   Ver respuesta

   Respuesta: B. Section 4, First-aid measures

   Section 4 of the SDS gives first aid for skin and eye contact, inhalation and swallowing.

10. Pregunta 10 de 25

    Two labels show this pictogram. One says "May cause cancer". The other says "Suspected of causing cancer". Which shows the greater hazard?

    • AThey show exactly the same hazard
    • B"May cause cancer"
    • CYou cannot tell from the hazard statement
    • D"Suspected of causing cancer"
    Ver respuesta

    Respuesta: B. "May cause cancer"

    The wording of hazard statements shows severity. "May cause cancer" is a greater hazard than "Suspected of causing cancer".

11. Pregunta 11 de 25

    A Type B organic peroxide shows this pictogram. Which other pictogram does it also show?

    • AThe skull and crossbones
    • BThe flame
    • CThe biohazard pictogram
    • DThe corrosion pictogram
    Ver respuesta

    Respuesta: B. The flame

    Self-reactive substances and organic peroxides of Type B use both the flame and the exploding bomb pictograms.

12. Pregunta 12 de 25

    Chemicals under pressure in Category 1 or 2 show this pictogram. Which other pictogram do they also show?

    • AThe exclamation mark
    • BThe exploding bomb
    • CThe health hazard
    • DThe flame
    Ver respuesta

    Respuesta: D. The flame

    Chemicals under pressure, Categories 1 and 2, use both the flame and the gas cylinder pictograms.

13. Pregunta 13 de 25

    This pictogram can mean a product is a skin sensitizer. What does that mean?

    • AIt can cause an allergic skin reaction
    • BIt can be absorbed through the skin and cause death
    • CIt removes oils from the skin so it feels dry
    • DIt makes skin more sensitive to sunlight only
    Ver respuesta

    Respuesta: A. It can cause an allergic skin reaction

    A skin sensitizer can cause an allergic reaction in the skin after contact. Skin sensitizers use the exclamation mark.

14. Pregunta 14 de 25

    This pictogram can mean a product is a respiratory sensitizer. What does that mean?

    • AIt can only harm you if you swallow it
    • BIt has a strong smell but no health effects
    • CBreathing it in may cause allergy or asthma symptoms
    • DIt makes you breathe faster for a short time
    Ver respuesta

    Respuesta: C. Breathing it in may cause allergy or asthma symptoms

    A respiratory sensitizer can cause allergy or asthma-like symptoms or breathing problems if inhaled. It uses the health hazard pictogram.

15. Pregunta 15 de 25

    Which hazard class with this pictogram is a physical hazard rather than a health hazard?

    • ACorrosive to metals
    • BSerious eye damage
    • CSkin corrosion
    • DRespiratory sensitization
    Ver respuesta

    Respuesta: A. Corrosive to metals

    The corrosion pictogram covers both health classes (skin corrosion, serious eye damage) and one physical class (corrosive to metals).

16. Pregunta 16 de 25

    By which routes can products with this pictogram be fatal or toxic?

    • AOnly after many years of daily exposure
    • BOnly if they are heated above 100°C
    • CIf swallowed, in contact with skin or if inhaled
    • DOnly if they touch the eyes, never through the skin
    Ver respuesta

    Respuesta: C. If swallowed, in contact with skin or if inhaled

    Acute toxicity can be by the oral, dermal (skin) or inhalation route.

17. Pregunta 17 de 25

    What colour and shape is the border on most WHMIS hazard pictograms?

    • AA black circle around a white background
    • BA red diamond (a square set on one of its points)
    • CA blue square with rounded corners
    • DA yellow triangle with a black edge
    Ver respuesta

    Respuesta: B. A red diamond (a square set on one of its points)

    Most WHMIS pictograms have a black symbol on a white background with a red diamond-shaped border.

18. Pregunta 18 de 25

    Some hazardous products must have a label but need no pictogram. Which is one example?

    • AAcute toxicity (Category 1)
    • BCombustible dusts (Category 1)
    • CFlammable liquids (Category 1)
    • DSkin corrosion (Category 1)
    Ver respuesta

    Respuesta: B. Combustible dusts (Category 1)

    Combustible dusts, simple asphyxiants, flammable liquids Category 4 and a few others need no pictogram, but still need the other label elements.

19. Pregunta 19 de 25

    A product falls in a class that needs no pictogram. What must its label still show?

    • AOnly the price and the product name, nothing else
    • BThe signal word, hazard statements and other required label elements
    • COnly a drawing or photo of the product itself
    • DNothing, because the product is not really hazardous
    Ver respuesta

    Respuesta: B. The signal word, hazard statements and other required label elements

    Even without a pictogram, the label and SDS Section 2 must still have the signal word, hazard statements and other elements.

20. Pregunta 20 de 25

    Which two signal words are used on WHMIS labels?

    • A"Poison" and "Toxic"
    • B"Stop" and "Go"
    • C"Danger" and "Warning"
    • D"Caution" and "Notice"
    Ver respuesta

    Respuesta: C. "Danger" and "Warning"

    WHMIS uses only two signal words. Some hazard categories have no signal word at all.

21. Pregunta 21 de 25

    Which signal word is used for the more severe hazards?

    • A"Warning"
    • B"Danger"
    • C"Caution"
    • D"Attention"
    Ver respuesta

    Respuesta: B. "Danger"

    "Danger" is used for higher-risk hazards and "Warning" for less severe ones.

22. Pregunta 22 de 25

    A product meets the rules for both "Danger" and "Warning". What goes on the label?

    • AOnly "Danger"
    • BOnly "Warning"
    • CNeither word
    • DBoth words, side by side
    Ver respuesta

    Respuesta: A. Only "Danger"

    Where "Danger" is required, the requirement to show "Warning" does not apply.

23. Pregunta 23 de 25

    Which item must appear on a WHMIS supplier label?

    • APrecautionary statements
    • BThe price of the product
    • CThe name of the worker using the product
    • DThe date the container was opened
    Ver respuesta

    Respuesta: A. Precautionary statements

    Supplier labels need the product identifier, initial supplier identifier, pictograms, signal word, hazard statements and precautionary statements.

24. Pregunta 24 de 25

    Which three elements must be grouped together on a supplier label?

    • AThe first-aid, storage and disposal statements
    • BThe product name, price and bar code
    • CThe pictogram, signal word and hazard statement
    • DThe supplier name, address and phone number
    Ver respuesta

    Respuesta: C. The pictogram, signal word and hazard statement

    The pictogram, signal word and hazard statement must be grouped together so they are seen at a glance.

25. Pregunta 25 de 25

    In what language or languages must a supplier label be?

    • AEnglish or French, whichever the supplier prefers
    • BThe language of the country where the product was made
    • CEnglish and French
    • DEnglish only
    Ver respuesta

    Respuesta: C. English and French

    Supplier labels must be in both English and French, either on one bilingual label or on two labels.

Teclado: 1–4 para responder, Intro para la siguiente pregunta.

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