Chem lab midterm 2025

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18 Terms

1

Explosive, Oxidizer, Flammable, Corrosive, Compressed Gas

Physical hazards

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2

Corrosive, Toxic, Health Hazards, Irritants, Environmental

Health Hazards

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3

Fire hazard

Hazard classification of chemicals (red)

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4

Health hazard

Hazard classification of chemicals (Blue)

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5

Specific Hazard

Hazard classification of chemicals (white)

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6

Reactive

Hazard classification of chemicals (yellow)

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7

Corrosive (HCl, NaOCl, NaOH)

These substances destroy living tissues and equipment upon contact

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8

Oxidizer

Substances can ignate flammable and combustible substances. Caution: keep away from flammable, combustible and spontaneously combustible substances

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9

Toxic

Very hazardous to health when inhaled, swallowed or when they come in contact with the skin. May lead to death. Caution: avoid contact with the human body and call the physician in case of contact

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10

Flammable liquids

caution: flash point below 141°F (60.5 °C)

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11

Flammable Solids

Caution: keep away from open fires, sources of sparks and heat

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12

Combustible material

caution: flash point greater than 141° F (60.5 °C) but less than 200 F (90° C). Keep away from any sources of heat and sparks and open flames

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13

Store away from foodstuffs.

Toxic and poisonous materials which are hazardous to health when inhaled, swallowed or when it comes in contact with skin.

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14

Radioactive

These are materials with measurable radioactivity.

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15

Harmful to aquatic environment

Very toxic to aquatic organisms. May cause long-term effects to aquatic environment

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16

Explosives

are considered as all products and preparations, if they explode through ignition or if they are more sensitive than nitrobenzene towards blows and friction.

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17

Explosive>Oxidizing>Flammable>Toxic>Corrosive>Harmful

Classified as per its highest one

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18

Benzaldehyde, Alcohol, cyanide, potassium chlorate, sulfuric acid, potassium dichromate

Arrange the following according to hazard:

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