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SCIENCE PRACTICE QUESTIONS

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HAZARDS

1.

Canned foods and drinks have expiry dates on them. The hazard involved in taking an expired drink is

A.

food poisoning.

B.

impaired hearing.

C.

poor circulation of blood.

D.

suffocation.

2.

Substances that burn living tissues when they come into contact with these tissues are considered

A.

Corrosive

B.

Flammable

C.

Irrirant

D.

Toxic

3.

A substance is termed combustible if it

A.

easily catches fire.

B.

dissolve common salt.

C.

sublimes at room temperature.

D.

boils at 100oC.

4.

The warning and safety signs on chemical containers are usually represented by a symbol placed within a

A.

circle.

B.

rectangle.

C.

square.

D.

triangle.