Chemicals II - JSS2 Basic science Past Questions and Answers - page 1
What is a highly hazardous toxic chemical?
Extremely safe
Moderately hazardous
Moderately hazardous
Non-toxic
Which type of chemical poses the least risk to health and the environment?
Highly hazardous toxic
Moderately hazardous toxic
Non-hazardous and non-toxic
Chemicals with unknown properties
What safety measures should be followed when using chemicals?
Ignore manufacturer's instructions
Wear appropriate protective equipment
Store chemicals randomly
Disregard safety signs
How should chemicals be stored to ensure safety?
Without labels
In open containers
In designated containers with proper labeling
Randomly placed around the workspace
What should you do before using a chemical?
Read and understand the safety instructions
Ignore the safety instructions
Store the chemical without checking its properties
Assume it is safe to use without any precautions
What category of chemical poses a moderate risk to health?
Highly hazardous toxic
Moderately hazardous toxic
Non-hazardous and non-toxic
Chemically inert
Which chemicals should be handled with extreme caution?
Non-hazardous and non-toxic
Moderately hazardous toxic
Chemicals with unknown properties
Non-reactive chemicals
What should you do if you encounter a safety sign indicating a chemical hazard?
Ignore it
Follow it closely
Disregard it and continue working
Remove it
What is the primary purpose of labeling chemical containers?
To confuse users
To make them look appealing
To ensure proper identification and safety information
To save costs
Which type of chemical is considered extremely dangerous even in small amounts?
Moderately hazardous toxic
Non-hazardous and non-toxic
Highly hazardous toxic
Chemically neutral