A Catechism of Familiar Things; / Their History, and the Events Which Led to Their Discovery. / With a Short Explanation of Some of the Principal Natural Phenomena. For the Use of Schools and Families. Enlarged and Revised Edition.

by Anonymous

Agent, an actor; a person or thing possessing the faculty of action.

Essential, necessary.

What are the properties of Nitrogen or Azote?

Nitrogen is a substance also generally diffused through nature, and particularly in animal bodies, and causes great changes in those absorbing or exposed to it. This gas, combined with oxygen and hydrogen, produces neither light, heat, nor combustion, but serves to dilute the others: of itself, it is hurtful to animal life. Nitrogen makes the principal part of the salt we call nitre.

What is meant by Combustion?

The decomposition of bodies by the action of fire; the union of combustible bodies with the oxygen of the atmosphere. The greater access the air has to a burning body, the more rapid and complete is the process.

Combustible, capable of taking fire.

Access, the means or liberty of approach to anything.

Are all bodies equally combustible?