If it is used a title in place of a name, then yes. That would be difficult with this word, however, so usually it would be a reference to a position or status. That will not be capitalized. For example, if you say "John is our treasurer" it would not be capitalized. However, if you manged to use it as a name, like "come here, Treasurer," then it should be capitalized.
The word "not" is typically not capitalized in a title unless it is the first word, a proper noun, or part of a hyphenated word.
Yes- all the names of the days of the week begin with capital letters.
Yes, America is always capitalized because it is a propernou n.
Yes, "Pterodactyl" is supposed to be capitalized as it is a proper noun referring to a specific genus of pterosaur.
"British" is typically capitalized when referring to people or things from Britain or the United Kingdom.
No, it shouldn't be capitalized.
No it shouldn't be capitalized.
no
No, but the names of individual languages are capitalized.
no
It should only be capitalized if it forms part of a title.
Yes... indeed it is!
No it is a common noun.
No, it is a common noun.
The word "not" is typically not capitalized in a title unless it is the first word, a proper noun, or part of a hyphenated word.
No, except if the word is used at the beginning of a sentence.
No, but it is just one word: saltpeter.