There is no number B or u mean 2??
No, what are you trying to say?
Though he thought he heard, no, he knew he heard a quiet rip, when he checked there was no tear in sight. (hope this is what you meant!)
An acid is a substance which contains hydrogen ions which can be replaced by a metal or an ammonium ion to form a salt.
A base is a substance which reacts with an acidto form a salt and water only.
A salt is a substance formed when an acid reacts with a base.
