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by BlastRoom
Practice choosing safe actions and equipment in chemistry lab situations.
#chemistry
40 questions
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In the pictured situation, a student is pouring a liquid while goggles are pushed up on the forehead. What should the student do first?
A student in the picture is reaching across a lit Bunsen burner to grab a beaker. What should the student do first?
The picture shows an unlabeled beaker on a crowded lab bench. What is the safest next step?
A student's long hair is hanging near a burner flame in the picture. What should happen before work continues?
In the picture, a student is about to use a chipped test tube. What should the student do?
The picture shows a drink bottle beside chemicals on a lab bench. What should the student do?
Which safety device is shown?
Which safety device is shown?
Which safety device is shown?
Which safety device is shown?
Before using a new reagent, where should a student look for its hazards, required PPE, and first-aid information?
A procedure says to dilute concentrated HCl with water. Which action follows the safe rule?
A lab group is heating a small amount of liquid in a test tube. Which action is appropriate?
A chemical has a strong odor, and the teacher says it may be smelled carefully. What should the student do?
A student needs to transfer 2 mL of solution with a pipette. Which method is safe?
After a reaction, a beaker contains leftover copper(II) sulfate solution. What should the group do?
A student pours a reagent from a stock bottle into a small beaker. What should the student do with extra reagent in the beaker?
A beaker has been heating on a hot plate, but it looks cool. How should a student move it?
Before pouring liquid into an Erlenmeyer flask, what should a student check?
A group will use a Bunsen burner near notebooks and ethanol bottles. Which setup is safest?
A student removes the cap from a reagent bottle during a lab. Which practice helps prevent contamination?
When should splash goggles be worn during a chemistry lab using liquids?
A student notices that a reagent bottle label is partly torn and hard to read. What should the student do?
What routine step belongs at the end of every wet chemistry lab before leaving the room?
A few drops of dilute acid splash onto a student's wrist. What should the student do immediately?
A base solution splashes into a student's eyes. What is the correct emergency response?
A student's sleeve catches fire during a burner lab. What should the student do?
A small flame starts in an evaporating dish on the bench. What should students do first?
A test tube breaks and glass pieces scatter on the bench. What should the student do?
A student gets a small cut from broken glass during cleanup. What is the best first response?
A student feels dizzy after inhaling irritating fumes from a reaction. What should happen next?
A student touches hot glass and gets a minor burn on a finger. What should the student do right away?
A student accidentally gets a chemical solution in the mouth during cleanup. What is the safest response?
A bottle of flammable solvent spills over a large area of the bench. What should students do?
A procedure uses a solvent that gives off irritating vapors. Where should the transfer be done?
A lab uses chemicals that can splash while students swirl test tubes. Which equipment best protects the eyes?
A bottle of ethanol must be stored after use. Which location is appropriate?
A large amount of corrosive solution spills down the front of a student's lab apron and clothing. Which safety device should be used?
A reagent bottle has the GHS corrosion pictogram. Which protection is most appropriate before handling it?
A reaction setup may release chlorine gas, Cl2. What equipment or location best controls this hazard?
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40 questions
