Chemicals II - JSS2 Basic science Past Questions and Answers - page 2
What are the three categories of chemicals based on their hazardous nature?
The three categories are highly hazardous toxic, moderately hazardous toxic, and non-hazardous/non-toxic chemicals.
How should one ensure safety when using chemicals?
Safety measures include following manufacturer's instructions, wearing appropriate protective equipment, adhering to safety guidelines for storage and handling, paying attention to safety signs, and ensuring proper labeling and storage containers.
Why is it important to read and understand safety instructions before using a chemical?
Reading and understanding safety instructions are crucial to minimize risks of accidents, injuries, and environmental harm associated with chemical use.
What should be done if a safety sign indicating a chemical hazard is encountered?
It is important to follow the safety sign closely, as it provides valuable information about potential hazards associated with the chemical, helping to prevent accidents and injuries.
What is the purpose of labeling chemical containers?
Labeling chemical containers ensures proper identification and provides essential safety information, such as handling precautions and emergency procedures, to protect users and the environment.
Why are highly hazardous toxic chemicals considered extremely dangerous?
Highly hazardous toxic chemicals can cause severe harm even in small amounts, posing significant risks to human health, wildlife, and the environment due to their toxic properties.