What do H-sentences indicate on chemical labels?
Hazards associated with a chemical substance.
Which hazard types do hazard symbols cover?
Explosive, flammable, oxidizing, pressurized, harmful, environmentally hazardous, long-term health hazardous, corrosive, and toxic substances.
What three elements are required for fire to occur?
Fuel, ignition temperature, and oxygen are required for fire.
How can a fire be extinguished?
By removing fuel, removing or smothering oxygen, or cooling below ignition temperature.
Hazard Labels - H-sentences,
Indicate chemical hazards or risks.
Hazard Labels - P-sentences
Specify safety precautions.
Fire extinguishing methods
Remove fuel, oxygen, or heat.
First aid for splashes
Rinse skin >=10 min with water.
Scientific investigation steps
Question, hypothesis, plan, observe, conclude, reflect.
Laboratory safety symbols
Explosive, flammable, toxic, corrosive, etc.
Balancing microscopes
Adjust focus, light, and stage position.
Answer 10 questions on Science Laboratory Vademecum.
1. What distinction correctly describes H-sentences and P-sentences on chemical hazard labels?
2. Which category is represented among the hazard symbols used for chemical substances?
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