Laboratory Safety Equipment and Rules

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Questions and Answers

Which of the following is NOT a safety equipment used in the school laboratory?

Laboratory coat

Sand bucket

Fume cupboard

Heat-proof mat (correct)

Using an eyewash bottle is the recommended action if chemicals get into our eyes.

True

What should you do if you encounter a fire in the laboratory?

Use a fire extinguisher or fire blanket.

A ______ is used to protect your eyes while working in the laboratory.

safety goggles Signup and view all the answers

Match the following safety equipment with their purposes:

Laboratory coat = Protects skin and clothing Safety goggles = Protects eyes Fire blanket = Extinguishes small fires Fire extinguisher = Used for larger fires Signup and view all the answers

What should you do before heating or mixing substances in the lab?

Wear safety goggles Signup and view all the answers

You can throw solid wastes into the sink in the laboratory.

False Signup and view all the answers

What should you do immediately after an accident in the lab?

Report it to your teacher immediately Signup and view all the answers

The three conditions in a fire triangle are fuel, heat, and ______.

oxygen Signup and view all the answers

Match the hazard symbols with their meanings:

U = Corrosive Y = Flammable X = Toxic W = Explosive Signup and view all the answers

What is the primary function of a gas jar?

To collect or hold gases Signup and view all the answers

A conical flask is primarily used to collect gases.

False Signup and view all the answers

What is the purpose of a boiling tube?

To hold a larger amount of liquids or solids Signup and view all the answers

The ______ is used to store liquids that will be used in drops.

dropping bottle Signup and view all the answers

Match the following laboratory apparatus with their functions:

Gas jar = Collect or hold gases Measuring cylinder = Measure the volume of liquids Evaporating dish = Hold a liquid to be evaporated Reagent bottle = Store liquids Signup and view all the answers

What is the primary function of a dropper?

To transfer a small amount of liquids Signup and view all the answers

A spatula is used to hold hot objects.

False Signup and view all the answers

What apparatus is used to separate solids from liquids during filtration?

Filter paper Signup and view all the answers

The __________ is used to fix the positions of various apparatus in a laboratory.

stand and clamp Signup and view all the answers

Match the following laboratory apparatus with their functions:

Bunsen burner = To heat substances Wire gauze = To distribute heat evenly Tripod = To hold the wire gauze Heat-proof mat = To protect surfaces from damage due to heat Signup and view all the answers

What is the purpose of drawing vertical section diagrams of the apparatus?

To show the experimental set-up. Signup and view all the answers

Vertical section diagrams are useful for documenting laboratory experiments.

True Signup and view all the answers

What do vertical section diagrams help illustrate in a laboratory setting?

The experimental set-up Signup and view all the answers

Vertical section diagrams of the apparatus are drawn to show the __________.

experimental set-up Signup and view all the answers

Match the following terms with their descriptions:

Vertical section diagram = A drawing that represents a cut-through view of an apparatus Apparatus = The equipment used in a scientific experiment Experimental set-up = The arrangement of devices and materials for conducting an experiment Diagram = A simplified representation of a complex structure Signup and view all the answers

Study Notes

Laboratory Safety Equipment

Laboratory coat, safety goggles, protective gloves, fire blanket, fire extinguisher, sand bucket, eye wash bottle, and first-aid box are crucial safety equipment in a laboratory.
A fume cupboard is a ventilated enclosure for handling hazardous chemicals and vapors.

Laboratory Safety Rules

Do not eat or drink in the laboratory.
Always wear safety goggles when heating or mixing substances.
Tie up long hair and tuck in school ties when doing experiments.
Never smell or taste any chemicals unless instructed by your teacher.
Avoid pointing test tubes containing boiling liquids towards yourself or other students.
Report all accidents to your teacher immediately.
Do not throw solid wastes into the sink.

Hazard Warning Symbols

Hazard warning symbols alert us to the potential dangers of hazardous chemicals.
U (Corrosive), V (Harmful), W (Explosive), X (Toxic), Y (Flammable), and Z (Irritant) are common hazard symbols to be aware of.

Fire Triangle

Fuel, water, and high temperature are essential components for a fire to start.

Laboratory Apparatus

Gas jar, dropping bottle, watch glass, evaporating dish, measuring cylinder, boiling tube, test tube, beaker, conical flask, and reagent bottle are commonly used to hold substances in the laboratory.
Glass rod, spatula, filter paper, test tube holder, test tube rack, tongs, stand and clamp, dropper, and funnel are various tools used for different purposes in a laboratory.
Bunsen burner, wire gauze, tripod, and heat-proof mat are essential apparatus for heating substances in a laboratory.

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Description

Test your knowledge on essential laboratory safety equipment, rules, and hazardous warning symbols. Understand the importance of proper safety measures and equipment use to ensure a safe laboratory environment. This quiz covers vital topics including protective gear and handling chemicals safely.