Correct option is B
Hazardous substances are materials that can pose a risk to human health and safety or the environment if not managed properly. The classification of hazardous substances typically includes:
A. Activated substances: This term is not commonly used in the classification of hazardous substances. It might be confused with radioactive substances, but 'activated' is not a standard term for hazardous material classification.
B. Ignitable substances: These are hazardous substances. They can easily catch fire and include materials like solvents and gasoline.
C. Corrosive substances: These are also classified as hazardous. They can corrode metals or cause chemical burns on skin and tissues, like strong acids and bases.
D. Reactive substances: These substances are considered hazardous as they are unstable and can react violently under certain conditions, like some industrial chemicals.
E. Toxic substances: These are hazardous as well. They can cause harm to living organisms through ingestion, inhalation, or skin contact, like pesticides and heavy metals.
Therefore, the correct answer is (b) B, C, D, E only
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