A_ property is a characteristic of st substance that can be observed and does not change identity of a substance

physical

Explanation:

Physical property is the property of a substance which does not involve rearrangement of atoms and deals only with size, shape and state of the substance. Thus the identity of the substance does not change. Example: Melting point, hardness

Chemical property is the property of a substance which involves rearrangement of atoms and thus new substances are formed. Thus the identity of the substance change. Example: Oxidation , Precipitation

nec chapter 5 contains

c. information on special occupancy areas

nec chapter 6 covers

a. special equipment

which of the following rules contain the words shall or shall not and must be adhered to?

b. mandatory rules

which of the following rules identify actions that are allowed but not required and typically cover options or alternative methods?

c. optional rules

which of the following serves as the introduction to the nec and provides an overview of the book?

a. nec article 90

organizations that test products for safety are

c. nrtls

the nec is published by the

a national fire protection association

the nec is divided into

b. 9 chapters

the nec provides informative annexes for

c. informational materials and examples

two terms from nec article 100 that trainees should become familiar with are

b. labeled and listed

explanation: