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
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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
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What safety measures should be followed when using chemicals?
Ignore manufacturer's instructions
Wear appropriate protective equipment
Store chemicals randomly
Disregard safety signs
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How should chemicals be stored to ensure safety?
Without labels
In open containers
In designated containers with proper labeling
Randomly placed around the workspace
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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
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What category of chemical poses a moderate risk to health?
Highly hazardous toxic
Moderately hazardous toxic
Non-hazardous and non-toxic
Chemically inert
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Which chemicals should be handled with extreme caution?
Non-hazardous and non-toxic
Moderately hazardous toxic
Chemicals with unknown properties
Non-reactive chemicals
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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
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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
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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
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