H2SO3 is called sulfurous acid and cannot be isolated or even detected in aqueous solution. However salts containing the sulfite ion are known- so sulfurous acid is termed a hypothetical acid.
Dihydrogen Sulfur Trioxide or sulfurous acid
H2so3--------------------------------2h+ + (so3)2-
H2SO3 is sulfurous acid, similar to the more famous H2SO4which is sulfuric acid.
H2SO3 is a weak acid, pKa=1.8, HCl is strong, pKa<<0
H2so3
Inverted commas are speech marks - " "
Sure, when someone says something, you can enclose their words in inverted commas to indicate direct speech or a quotation. This helps to show that the words being written are being directly attributed to the speaker.
Errm... Inverted commas?
Inverted comma is replaced as quot.
Put the title in double inverted commas (as in "Hamlet") or in italics.
Quotation marks are commonly used to signal that a person is speaking in written text.
To print "thank you" in inverted commas in C programming, you can use the following code: #include <stdio.h> int main() { printf("\"thank you\"\n"); return 0; } This code will display the output as: "thank you"
inverted commas
inverted commas
In inverted commas.""
I'm quite confused.My school teacher tell us to use one inverted comma ('......') when it is inside two inverted commas ("......") only.He also tells us to NOT use it when writing the word/phrase is,here are two examples: Correct:The word is"happy". Wrong :The word is'happy'. But my tuition teacher tells us to use single inverted commas('.....') for word/phrase.Here are two examples: Correct:The phrase is'happy'. Wrong:The phrase is"happy". So I've no idea which teacher is correct =(
Write a story of your own use inverted commas when you write conversations of your story(150words)