safety rules | WHMIS symbols | Equipment | physical & chemical changes | acids and bases |
---|---|---|---|---|
Name 5 lab safety equipment tools.
1) face mask 2) gloves 3) goggles 4) boots 5) hazmat suit.
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What does the skull and cross bones mean?
Poison
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What is the test tube used for?
holds samples to observe reactions.
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is crushing ice in a blender a physical or chemical change?
physical
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is vinegar an acid or base?
acid
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Name 3 things prohibited in the Lab.
1) No food or drinks aloud in the lab 2) never run in the lab 3) no sitting while conducting an experiment.
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What does the ring on fire mean?
Oxidizer
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What is the iron rings used for?
holds glass ware on retort stand
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is burning logs in a fire place a physical or chemical change?
chemical
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is pickle juice an acid or base?
acid
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Name 2 things to never do with chemicals in the lab.
1) never taste the chemicals 2) never directly smell the chemicals instead use a whiff motion with your hands.
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What does the T symbol mean?
Toxic
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What is the graduated cylinder used for?
acuratly measures liquids
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is blending metal wire in a blender a physical or chemical change?
physical
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is Windex an acid or base?
base
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How do you properly dispose of chemicals in the lab.
Pour down the drain if the teacher says too.
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What does the cylinder mean?
compressed gas
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What is the test tube brush used for?
used to clean test tubes
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is souring milk a chemical or physical change?
chemical
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is sanitizer an base or acid?
base
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What do you do after you are done in the lab?.
Clean up the lab and put everything away.
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What does the flame mean?
Flammable
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What is the beaker used for?
used to mix chemicals and measure liquids
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is adding bleach to a washer of clothes a physical or chemical change?
chemical
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is milk an acid or base?
acid
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