Q. What are the differences between tomato sauce and tomato ketchup?

Answer

Below are the differences. Ketchup is made of tomatoes spices sugar and vinegar/acetic acid. Whereas tomato sauce is made from tomatoes oil spices and meat or vegetable stock. Ketchup is cold. It is never served hot. Whereas all types of sauce are served hot. Ketchup is made of spices whereas sauce is made without spices. Ketchup contains sugar and other sweet spices whereas sauce does not contain sugar. Ketchup is a sauce but not all sauces are ketchup. Ketchup is used as a condiment whereas sauce can used be as thin gravies.