Why is a textbook a secondary source?
A textbook can either be a secondary or tertiary source and, in seldom cases, a primary source. In most cases, the author of a textbook interprets prescribed theories of a topic and would, therefore, be a secondary source. A textbook can be a tertiary source when it simply indexes information about a particular topic.
Where are secondary sources found?
Secondary sources can be found in books, journals, or Internet resources. When we talk about secondary sources, most of the time we are referring to the published scholarship on a subject, rather than supplementary material like bibliographies, encyclopedias, handbooks, and so forth.
What are some examples of tertiary sources?
Examples of tertiary sources include: textbooks (sometimes considered as secondary sources) dictionaries and encyclopedias. manuals, guidebooks, directories, almanacs.
How will you distinguish between primary secondary and tertiary amines with nitrous acid?
Solution : Reaction of an amine with nitrous acid (HO – N =O) is the distinguishing test between primary, secondary and tertiary amines as they react differently with nitrous acid. For example, ethyl amine on reaction with nitrous acid in cold, forms ethyl alcohol and nitrogent gas.