The substance in the kitchen is put in a sufficient amount of water and stirred thoroughly, and the

A. Edible oil is insoluble in water and cannot be formed with water.

1. A stable mixture, that is, it cannot form a solution, so the option is correct B. White vinegar is easily soluble in water and forms evenly.

1. The stable mixture belongs to the solution, so the option is wrong

C. White sugar is easily soluble in water and forms uniformly.

1. The stable mixture belongs to the solution, so the option is wrong

D. Salt is easily soluble in water and forms uniformly.

1. The stable mixture belongs to the solution, so the option is wrong

So choose A

A test question analysis: the concept of solution: a uniform and stable mixture formed by the dispersion source of one or several substances next to another substance, and the chaotic collapse should form a stable mixture of uniform hail and oak, then this substance must be soluble in water, and edible oil is insoluble in water and cannot form a solution, so choose A