WorksheetsChemical Handling & Gas Handling
Total questions: 15
Worksheet time: 8mins
What is the primary purpose of cleaning in a cleanroom?
To enhance the aesthetic appeal
To improve temperature control
To eliminate contamination
To increase humidity
Which of the following is a typical chemical used in IC fabrication?
Ethanol
Acetic Acid
Sodium Chloride
Sulphuric Acid
What is a major hazard associated with Hydrogen Peroxide (H2O2)?
It can cause severe burns
It is safe to handle without precautions
It is colorless and odorless
It is non-toxic
Which chemical is known for being a strong base used in cleanrooms?
Potassium Hydroxide
Sulfuric Acid
Nitric Acid
Hydrochloric Acid
What should be done when handling strong acids?
Use protective garments
Wear regular gloves
Handle them without supervision
Avoid using any protective gear
Which gas is commonly used in cleanroom environments?
Methane
Argon
Ozone
Carbon Dioxide
What is a key precaution when using Hydrofluoric Acid (HF)?
It can be stored in any container
Always use plastic containers
Use glass containers only
It is safe to use without gloves
What is the recommended action if a chemical spill occurs?
Leave the area without informing anyone
Clean it up with bare hands
Report it immediately and follow protocols
Ignore it and continue working
Which of the following is a characteristic of Nitric Acid (HNO3)?
It has a low boiling point
It is safe to mix with water
It is a strong oxidizing agent
It is colorless and odorless
What type of gloves should be worn when handling chemicals?
Nitrile gloves
No gloves are needed
Cotton gloves
Latex gloves
What is the purpose of using a fume hood in a cleanroom?
To store chemicals
To enhance lighting
To provide ventilation and safety
To increase temperature
Which of the following is a common hazard of compressed gases?
They do not require any safety measures
They are non-flammable
They are always safe to use
They can cause explosions if mishandled
What should be done with chemical containers after use?
Use them for other substances
Dispose of them in regular trash
Store them properly and securely
Leave them open
What is a critical step before entering a cleanroom?
Wearing casual clothing
Removing all protective gear
Undergoing proper training
Ignoring safety protocols
What is the main risk associated with handling organic solvents?
They are always safe
They can cause skin irritation
They have no odor
They are non-toxic
