When lemon juice is added to milk, it forms paneer. This process is known as ______.
Coagulation
Lemon juice contains citric acid, which lowers the pH of milk and causes the milk proteins, mainly casein, to denature and clump together into solid curds.
This clumping of dispersed protein particles into a solid mass, separating from the liquid whey, is called coagulation, the process by which paneer is formed.
Hydrolysis involves breakdown by water, crystallization forms ordered solid crystals from solution, and sedimentation is the settling of particles under gravity, none of which describe paneer formation.
Hence, the process by which lemon juice curdles milk into paneer is coagulation.
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