Under what circumstances is isolation necessary when dealing with hazardous material events?

When the material is explosive, oxidizing, poisonous, radioactive, corrosive, biohazard material.

Explanation:

If the material is explosive, precautions must be high, and insulation serves to prevent explosion.

If the material is oxidizing or corrosive, the insulation serves to prevent spillage and damage to the structure.

If the material is poisonous, radioactive or biohazard, it must be insulated to prevent damage to the environment, structures, and nearby personnel operating it.

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a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.