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Salad dressing separates into layers after standing is that a chemical change?
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Is oil and water being shaken together to make salad dressing a chemical change?
chemical change. the dressing and mayonnaise changed completely to form the sauce.
Is mixing oil and vinegar a chemical or a physical change?
physical- there's no chemical change.
What kind of change occurs when a compound separates?
Decomposition of a compound is a chemical process.
Is mixed thousand island dressing and mayonnaise a physical or chemical change?
Mixing is a physical process.
Is shaking up salad dressing and sewing an apron a physical change?
No. They aren't even a mixture, since they don't mix. When properly shaken prior to serving, an oil & vinegar dressing is a "suspension"; droplets of each all next to each other, but still separate. If you leave the bottle standing for a few minutes, the vinegar (which is mostly water) will sink to the bottom and the oil will float to the top.
Is cutting paper chemical change?
Original Answer:noMore Detailed Answer:For a chemical change to occur, the structure of the paper has to be modifed at the chemical level. Cutting or tearing separates the paper into multiple parts, but each part is still paper.A good example of a chemical change is when the paper is burned. During burning, the paper changes from paper to ash, and the result is a change in the chemical structure.
Does distillation produce a chemical or a physical change in petroleum?
it is a physical change
Is mixing a salad dressing chemical change?
no. it is physical because the composition of the mixing are not chemically altered but only physically mixed. That means that they could be separated without chemically altering the composition again.
When a glass of milk spoils for a week does it cause a physical or chemical change?
Both: a physical change as the curds (solids) separates from the whey (liquid), and a chemical change as the decomposition of the milk takes place, producing molds on the surface and a sour smell and taste.
Why doesn't one lose consciousness when going from sitting to standing?
One doesn't lose consciousness because there is not enough of a change in the chemical attributes inside your body when you change position from sitting to standing.
Is filtering a mixture a chemical or physical change?
it is a physical change because the appearance just changed.
Is burning a fire a physical or chemical change?
Burning is a chemical change.
