Ce means 'this' . Ce livre .. this book C’est une jolie maison this is a nice house ça means 'that' and could mean 'it' Aimez-vous ça? Do you like that Comment ça va? Literally means ' how is IT ' but means ' how are you ?"

Also, "ce" goes before a noun. "ça" is a pronoun, it remplaces a noun.