Question

It is not easy to remove the oli layer from surface of water by......... Method

Answer 1

Answer:Oil Skimmers. One of the easiest ways to remove hydrocarbons from water or coolant is by using a belt oil skimmer. It is a low maintenance, easy to use tool for removing oil from water or coolant. Belt oil skimmers, such as the Model 8, work because of the differences in specific gravity between oil and water.

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Explanation: