Unit B Section 1.1 Flashcards

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1
Q

What does a yellow triangle indicate?

A

caution

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2
Q

What does an orange diamond indicate?

A

warning

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3
Q

What does a red octagon indicate?

A

danger

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4
Q

What are the two areas of special consideration for people working in the lab:

A
  • understanding warning labels

- following safety procedures

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5
Q

Each hazard symbol shows two separate pieces of information:

A
  • The shape of the symbol indicates how hazardous a substance is
  • the type of hazard, which is indicated by the picture inside the shape
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6
Q

Common hazard warnings:

A
  • flammable
  • toxic
  • explosive
  • irritant
  • corrosive
  • biological
  • electrical
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7
Q

What does WHMIS stand for?

A

Workplace Hazardous Materials Information System

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8
Q

purpose of WHMIS

A

protect people who use materials

that might be harmful at work

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9
Q

WHMIS symbols:

A
  • compressed gas
  • dangerously reactive material
  • oxidizing material
  • poisonous and infectious causing immediate and serious toxic effects
  • flammable and combustible material
  • biohazardous infectious material
  • corrosive material
  • poisonous and infectious causing other toxic effects
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10
Q

What is MSDS?

A

Materials and Safety DataSheets (MSDS) are

information sheets about specific chemicals.

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11
Q

Lab Safety Rules:

A
  • Listen to all instructions and follow them carefully.
  • Wash your hands thoroughly after each activity and after handling chemicals.
  • Wear safety goggles, gloves, or an apron as required.
  • Smell a substance by fanning the smell toward you with your hand. Do not put your nose close to the substance.
  • Do not taste anything in the lab
  • Tie back loose hair and roll up loose sleeves.
  • Never pour liquids into containers held in your hand. Place a test tube in a rack before pouring substances into it.
  • Clean up any spilled substances immediately as instructed by your teacher.
  • . Never look into test tubes or containers from the top. Always look through the sides.
  • Never use cracked or broken glassware
  • Label any container you put chemicals in.
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12
Q

What is the matter?

A

something that has mass and occupies space.

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