WorksheetsHazardous Materials
Total questions: 15
Worksheet time: 15mins
diagram above shows a hazard symbol. what is the meaning of this symbol?
flammable
irritant
explosive
poisonous
If you see above symbol, beware of materials that can
release fume that can hurt eyes, nose and throat.
cause harmful radiation.
cause poisoning and death if swallowed
easily expolde.
What you should do if someone inhaled toxic gas?
Hold under running water
Spit out immediately
Move away from the gas for fresh air
Flush eyes vigorously with water
Corrosive substances such as bleaches and drain cleaners can cause ......
difficult of breathing
serious burns and eye damage
permanent amnesia
massive headache
If a label says "CAUTION" it is...
a little hazardous
very hazardous
not hazardous at all
When a material brings hazard, toxic and harms the environment, it is considered _________________.
useful
useless
harmful
harmless
You should never ______ chemicals in the lab.
taste
touch
smell
all of the above
What safety symbol is this?
biohazard
radioactive
toxic
corrosive
Aerosol is categorized as ......
Oxidising
Flammable
Explosive
Toxic
What is the primary concern when handling hazardous materials in a laboratory setting?
A) Cost of materials
B) Potential for chemical reactions
C) Safety of personnel
D) Availability of equipment
Which of the following symbols indicates a material is hazardous?
A) A green leaf
B) A skull and crossbones
C) A recycling symbol
D) A water droplet
What is the first step in responding to a chemical spill in a laboratory?
A) Evacuate the area
B) Neutralize the chemical
C) Call emergency services
D) Contain the spill
Which of the following is a common method for disposing of hazardous waste?
A) Pouring it down the drain
B) Incineration
C) Burying it in the ground
D) Releasing it into the air
What type of personal protective equipment (PPE) is essential when handling corrosive substances?
A) Safety goggles
B) Ear plugs
C) Hard hat
D) Steel-toed boots
Which of the following is a real-world application of understanding hazardous materials?
A) Designing a new smartphone
B) Developing a waste management plan
C) Creating a social media app
D) Writing a novel
