Laboratory Safety Rules and Equipment

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Questions and Answers

Which personal protective equipment is specifically used to prevent eye injuries during experiments?

Gloves
Safety spectacles (correct)
Lab coat
Fume cupboard

What is the purpose of a fire blanket in the laboratory?

To absorb spills
To extinguish small fires (correct)
To cool down hot equipment
To block fumes

Which of these actions should NOT be taken in the laboratory?

Eating while conducting experiments (correct)
Keeping exits and passages clear
Washing hands after completing an experiment
Wearing safety spectacles when handling chemicals

What equipment should be used to provide a secure environment when working with hazardous fumes?

Fume cupboard (D) Signup and view all the answers

What is the main function of a first aid box in the laboratory?

To treat minor injuries (A) Signup and view all the answers

Which action is appropriate when a laboratory accident occurs?

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

Why should long hair be tied back during laboratory experiments?

To prevent it from catching fire or dipping into chemicals (A) Signup and view all the answers

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

Report the spill and follow safety procedures (A) Signup and view all the answers

What does covering the flame with a metal lid primarily remove to extinguish the fire?

Oxygen (D) Signup and view all the answers

Which of the following methods effectively removes fuel from the fire triangle?

Clearing a strip of plants (A) Signup and view all the answers

What is the primary condition removed when using a fire extinguisher?

Oxygen (A) Signup and view all the answers

Which method involves the removal of both high temperature and oxygen to extinguish a fire?

Spraying water on the fire (A) Signup and view all the answers

What immediate action should be taken if chemicals splash into the eyes?

Wash the eyes with distilled water from an eye wash bottle. (D) Signup and view all the answers

What effect does covering a burning candle with an inverted gas jar have?

Extinguishes the flame (B) Signup and view all the answers

What is the purpose of clearing a strip of plants as a fire prevention method?

To create a barrier that removes fuel (D) Signup and view all the answers

Which fire-fighting equipment primarily removes oxygen?

Fire blanket (B) Signup and view all the answers

Which element is NOT part of the fire triangle?

Water (C) Signup and view all the answers

In the context of the fire triangle, what role do ashes play in the burning process of charcoal?

They inhibit air flow to the fuel (D) Signup and view all the answers

In case of a cut in the laboratory, the first recommended action is to:

Clean and dress the cut. (B) Signup and view all the answers

What essential properties form the fire triangle necessary for a fire to occur?

Fuel, high temperature, oxygen (D) Signup and view all the answers

What should someone do after breaking a glass apparatus in the laboratory?

Report the case to the teacher at once. (C) Signup and view all the answers

Which of the following statements correctly identifies a method to extinguish a fire?

Removing the fuel source (D) Signup and view all the answers

In a barbecue, how does fanning the charcoal enhance combustion?

It removes ashes and supplies more oxygen (C) Signup and view all the answers

What is the primary purpose of wearing safety spectacles in a laboratory?

To protect eyes from chemical splashes or flying debris. (A) Signup and view all the answers

Which condition in the fire triangle is primarily disrupted when a fire is smothered?

Lack of oxygen (C) Signup and view all the answers

Which of the following is an action NOT recommended in the event of a heat burn?

Apply ice directly to the burn. (A) Signup and view all the answers

What critical factor about the candle suggests high temperature is required for combustion?

The wick ignites rapidly (D) Signup and view all the answers

Why is it important to remain calm during a laboratory accident?

To ensure a rational response and proper reporting of the incident. (D) Signup and view all the answers

Which of the following best describes 'fuel' in the context of fire safety?

Any source that can be ignited. (D) Signup and view all the answers

Which action is appropriate when heating a test tube in the laboratory?

Direct the test tube away from yourself and others. (D) Signup and view all the answers

What should you do before handling a chemical with a hazard warning symbol?

Read the hazard warning symbols and take appropriate safety precautions. (C) Signup and view all the answers

In case of an accident in the laboratory, what is the first action you should take?

Report the accident to the teacher and follow their instructions. (C) Signup and view all the answers

Which of the following statements about electrical safety is true?

Always keep hands dry when handling electric plugs or equipment. (B) Signup and view all the answers

What safety precautions should be taken when dealing with corrosive materials?

Ensure the area is well-ventilated and wear safety spectacles and gloves. (A) Signup and view all the answers

What should you do if a chemical container is marked as toxic?

Handle it in a fume cupboard to avoid exposure to harmful fumes. (B) Signup and view all the answers

What does the hazard symbol for flammable indicate?

Keep flammable materials away from flames and sparks. (C) Signup and view all the answers

What does the symbol for harmful chemicals advise?

Wear gloves and ensure proper ventilation during use. (B) Signup and view all the answers

Flashcards

Laboratory Safety Rules

Guidelines designed to prevent accidents and ensure a safe environment in a laboratory.

Hazard Warning Symbols

Symbols displayed on chemical containers to alert users to potential dangers and necessary precautions.