Quiz on Laboratory

This is a timed quiz. You will be given 15 seconds per question. Are you ready?

What is the purpose of a centrifuge in the laboratory?

To mix chemicals thoroughly

To separate substances of different densities

To clean glassware

To heat substances to high temperatures

Correct! Wrong!

What is the proper method for disposing of broken glass in a laboratory?

Leave it on the counter for cleanup later

Place it in a designated broken glass container

Sweep it into a dustpan and throw it in a sink

Throw it in the regular trash

Correct! Wrong!

What is the primary purpose of a laboratory fume hood?

To store chemicals safely

To provide ventilation and remove harmful fumes

To heat substances quickly

To mix chemicals safely

Correct! Wrong!

Which of the following is considered a safety hazard in a laboratory?

Wearing gloves

Using goggles

Working with an open flame without supervision

Having a first aid kit nearby

Correct! Wrong!

What should you do if you spill a chemical in the laboratory?

Wait for someone else to clean it

Report it to your instructor and follow the spill protocol

Try to clean it up with your bare hands

Ignore it and continue working

Correct! Wrong!

When should you wash your hands in a laboratory?

You don't need to wash your hands

Only at the end of the experiment

After handling chemicals, biological materials, or contaminated equipment

Only before starting the experiment

Correct! Wrong!

Which of the following chemicals is typically used to disinfect laboratory surfaces?

Sulfuric acid

Ethanol or isopropanol

Hydrochloric acid

Sodium chloride

Correct! Wrong!

Which of the following is the most common type of laboratory glassware used for measuring liquids?

Test tube

Flask

Beaker

Graduated cylinder

Correct! Wrong!

Quiz on Laboratory

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What is the purpose of a centrifuge in the laboratory?

What is the proper method for disposing of broken glass in a laboratory?

What is the primary purpose of a laboratory fume hood?

Which of the following is considered a safety hazard in a laboratory?

What should you do if you spill a chemical in the laboratory?

When should you wash your hands in a laboratory?

Which of the following chemicals is typically used to disinfect laboratory surfaces?

Which of the following is the most common type of laboratory glassware used for measuring liquids?

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