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26 Cards in this Set
- Front
- Back
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WHMIS: Poisonous and infectious causing other toxic effects |
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WHIMIS: Corrosive material |
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WHMIS: Compressed gas |
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WHMIS: Biohazardous infectious material |
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WHMIS: Oxidizing material |
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WHIMS: Flammable and combustible material |
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WHMIS: Dangerously reactive material |
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WHIMS: Poisonous and infectious causing immediate and serious toxic effects |
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SHS shapes: danger |
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SHS Shape: warning |
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SHS shapes: caution |
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SHS: toxic |
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SHS: explosive |
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SHS: Corrosive |
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SHS: irritant |
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SHS: Electrial |
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SHS: Flammable |
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Difference between SHS and WHMIS |
- WHMIS symbols are found only in workplaces - safety hazards symbols are found on everyday products |
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WHMIS |
Workplace Hazardous Materials Information Station |
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Lab safety rules |
1. Wear safety goggles, gloves, or apron 2. Never pour liquids above your head 3. Equipment and chemicals away from edge 4. No food 5. Clean up all spills immediately 6. Label all containers 7. Always be careful around an open flame 8. Tie hair up 9. Don't smell |
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States of matter |
Solid to liquid: melting Liquid to solid:freezing Liquid to gas :evaporation Gas so liquid:condensation Gas to solid: deposition(sublimation) Solid to gas: sublimation |
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Physical properties |
- describes the physical appearance melting point: solid to liquid Boiling point: liquid to solid Hardness: ability to resist being scratched Malleability: pounded or rolled into sheets (molable) Ductility: stretched into a long wire ( stretchable) Crystal shape: pattern the substance grows Solubility:ability to dissolve in another substance Density : amount of mass in a given area Conductivity:ability to conduct electricity
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Chemical properties |
- describes how a substance reacts with other substances - rusting - combustion - burning |
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Physical change |
- occurs when a substance changes state - it is still the same substance |
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Chemical change |
- occurs when a substance reacts with another One or more new substances are made |
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Evidence of chemical change |
- change in colour - change in odour - formation of a solid or gas( vinegar+baking soda=Carbon dioxide gas) - release or absorption of heat energy(burn gasoline= heat is released) |
