The difference between oil and flour is oil forms a layer at the top of water, and flour settles at the bottom. The correct option is the third option - Oil forms a layer at the top of water, and flour settles at the bottom
Oil is a triglyceride which is insoluble in polar substances but is soluble in nonpolar solvents. That is, oil is insoluble in water.
Oil, when dissolved in water, forms a layer at the top of water. This is because oil is less dense than water.
Flour is insoluble in water. It settles at the bottom of the container.
Now, we will investigate the options one after the other
O Oil is a soluble substance, and flour is an insoluble substance.
Since oil is soluble in nonpolar solvents, this option is NOT correct.
O Flour is a soluble substance, and oil is an insoluble substance.
Since flour is insoluble in water, this option is NOT correct.
O Oil forms a layer at the top of water, and flour settles at the bottom.
Since oil forms a layer at the top of water and flour settles at the bottom of water, then this option is correct.
O Oil forms a layer at the bottom of water, and flour settles at the top.
Oil does not form a layer at the bottom of water and flour does not settle at the top of water. Therefore, this option is NOT correct.
Hence, the difference between oil and flour is oil forms a layer at the top of water, and flour settles at the bottom. The correct option is the third option - Oil forms a layer at the top of water, and flour settles at the bottom
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