1.
Canned foods and drinks have expiry dates on them. The hazard involved in taking an expired drink is
food poisoning.
impaired hearing.
poor circulation of blood.
suffocation.
2.
Substances that burn living tissues when they come into contact with these tissues are considered
Corrosive
Flammable
Irrirant
Toxic
3.
A substance is termed combustible if it
easily catches fire.
dissolve common salt.
sublimes at room temperature.
boils at 100oC.
4.
The warning and safety signs on chemical containers are usually represented by a symbol placed within a
circle.
rectangle.
square.
triangle.