Quotation marks are used for direct quotes only. Indirect quotes are paraphrased and do not need quotation marks.
Double quotation marks are typically used to indicate direct speech or dialogue in writing. They are also used to enclose the titles of short works, like articles, poems, or short stories. In American English, double quotation marks are preferred for direct speech, while single quotation marks are used for quotes within quotes.
You do punctuate 3 or more consecutive direct quotes with quotation marks AND commas. I am an English scholar, so believe me when I say this! LMJ
Quotation marks are used to denote direct speech, to enclose a quotation within a sentence, or to indicate the use of a term in a non-literal or ironic sense.
No, you do not need to use quotation marks for your own quotes in writing. It is understood that the words within the quotes are being attributed to you as the author.
For direct quotes, use the quotation marks ".
Direct quotes (exact words that were spoken or written) OR words used ironically
No. A direct quote is words from another author (besides yourself) that are copied verbatim. This always needs quotes. Paraphrasing does not need quotes. Paraphrasing is when you restate the author's ideas in your own words. However, paraphrases sometimes incorporate direct quotes and these will need to be enclosed in quotation marks. The source should be acknowledged. A paraphrase is not a direct quote and does not require quotation marks. You do, however need to give credit to its author through correct citation.
There is no reason that h2co3 should be written inside of single quotation marks according to chemistry style guides. Single quotes are used for quotes within double quotation marks.
No. Use quotation marks.
No, quotes are typically used only at the beginning and end of a block of direct quotes.
In direct speech, you should use quotation marks to indicate the spoken words. Additionally, you should use commas, periods, question marks, or exclamation points within the quotation marks as appropriate to punctuate the dialogue.