CHEM 1212 Midterm Review LSU,
Examination with Guaranteed Pass
Solutions 2025-2026 Updated.
Exclamation Point (icon) - Answer Irritant to skin and eyes, skin sensitizer, toxic, respiratory
tract irritant
Test tubes pouring on metal and hands (icon) - Answer Corrosive to skin and metal
Fire (icon) - Answer flammable, emits flammable gasses, pyrophoric
O with fire (icon) - Answer oxidizer, oxidizing agent
Human body with gas inside (icon) - Answer general health hazard, respiratory sensitizer,
carcinogen, organ toxicity
Dead fish and dead tree (icon) - Answer aquatic toxicity, environmental hazard
Skull and crossbones (icon) - Answer Severe to fatal toxicity
No Icon - Answer moisture sensitive, hygroscopic (absorbs water from air)
Lachrymator - Answer Causes eyes to produce tears
Corrosive - Answer irreversibly destroys living tissue or metal upon contact
Irritant - Answer chemical causes dryness, itching, or sensitivity
Carcinogen - Answer chemical suspected or proven to cause cancer
Toxic - Answer may cause harm through ingestion, inhalation, or skin absorption
, - Lab Apron (cover as much skin as possible)
- Sneakers/loafers/boots
Proper Disposal - Answer Uses pipet - trash can
Reaction mixture - appropriate waste container
Chipped beaker - broken glass box
Used filter paper - trash can
Excess chemical - waste container
Density Formula - Answer mass(g)/volume(ml)
Solubility - Answer the ability of a solid or gas to dissolve in a liquid
Solvent - Answer the solution that does the dissolving
Solute - Answer the substance being dissolved
Miscible - Answer when two liquids mix completely together
Immiscible - Answer when two liquids do not mix together and form layers
Physical Properties - Answer - melting point
- boiling point
- color of liquid
Chemical Properties - Answer - ability to dissolve metals
- ability to react with oxygen
- ability to dissolve in water
Combinations - Answer A + B → AB
two elements come together to form one compound
Examination with Guaranteed Pass
Solutions 2025-2026 Updated.
Exclamation Point (icon) - Answer Irritant to skin and eyes, skin sensitizer, toxic, respiratory
tract irritant
Test tubes pouring on metal and hands (icon) - Answer Corrosive to skin and metal
Fire (icon) - Answer flammable, emits flammable gasses, pyrophoric
O with fire (icon) - Answer oxidizer, oxidizing agent
Human body with gas inside (icon) - Answer general health hazard, respiratory sensitizer,
carcinogen, organ toxicity
Dead fish and dead tree (icon) - Answer aquatic toxicity, environmental hazard
Skull and crossbones (icon) - Answer Severe to fatal toxicity
No Icon - Answer moisture sensitive, hygroscopic (absorbs water from air)
Lachrymator - Answer Causes eyes to produce tears
Corrosive - Answer irreversibly destroys living tissue or metal upon contact
Irritant - Answer chemical causes dryness, itching, or sensitivity
Carcinogen - Answer chemical suspected or proven to cause cancer
Toxic - Answer may cause harm through ingestion, inhalation, or skin absorption
, - Lab Apron (cover as much skin as possible)
- Sneakers/loafers/boots
Proper Disposal - Answer Uses pipet - trash can
Reaction mixture - appropriate waste container
Chipped beaker - broken glass box
Used filter paper - trash can
Excess chemical - waste container
Density Formula - Answer mass(g)/volume(ml)
Solubility - Answer the ability of a solid or gas to dissolve in a liquid
Solvent - Answer the solution that does the dissolving
Solute - Answer the substance being dissolved
Miscible - Answer when two liquids mix completely together
Immiscible - Answer when two liquids do not mix together and form layers
Physical Properties - Answer - melting point
- boiling point
- color of liquid
Chemical Properties - Answer - ability to dissolve metals
- ability to react with oxygen
- ability to dissolve in water
Combinations - Answer A + B → AB
two elements come together to form one compound
