It depends on the type of flour or what is being cooked/baked.
It is simply a binder or catalyst for the other ingredients.
No, there is no flour in butter. Butter is made by churning or beating heavy cream until it solidifies. Margarine will have other ingredients in it, but none of those ingredients are flour, either.
It depends how much flour, and other ingredients, you have
I you taste it you will know that it is made of flour or other ingredients
No. Baking mixes have other ingredients in them.
900g flour.
That's impossible. Dough is made by mixing flour with other ingredients. There's no way to change it back.
Among other varieties, the basic ingredients for bread are Flour, Water, Sugar, and Yeast.
flour, water & salt can be made with other ingredients as oyu choose
yes.
Eggs flour sugar butter yummy!
"proportion" means how much of one ingredient as compared to other ingredients. For instance the proportion of fat to flour in shortcrust pastry is twice the amount of flour to the amount of fat used.