1) Sauce is a liquid or semi - liquid substance served with food to add moistness and flavor.
2) Not all sauce are ketchup.
3) Sauce can be made from a vast variety of ingredients.
4) Sauces can be eaten with both savory dishes and desserts.
1) Ketchup is sweet and tangy sauce, used as relish.
2) Ketchup is a type of sauce.
3) Ketchup is mainly made of tomatoes and vinegar.
4) Ketchup is often eaten with fast food.