Which of the following techniques can be used to separate the impurities in Milk?

Column chromatography

The correct answer is option 1. Column chromatography.

The technique that can be used to separate impurities in milk is Column chromatography.

Column chromatography is a separation technique that can be employed to isolate and purify individual components of a mixture, including impurities in milk. In this method, a column is packed with a stationary phase (such as silica gel or alumina), and the milk sample containing impurities is passed through the column. As the sample moves through the column, different components interact with the stationary phase differently based on their chemical properties, causing them to separate and elute from the column at different rates. This process effectively separates impurities from the milk, allowing for their isolation or removal.

Microscopy (option 2), microtomy (option 3), and autoclave (option 4) are not suitable techniques for separating impurities in milk. Microscopy involves the use of microscopes to observe small objects and structures, while microtomy involves the preparation of thin slices of specimens for microscopic examination. Autoclave is a device used for sterilization by subjecting materials to high-pressure steam. These techniques are not specifically designed for separating impurities from milk.