What separates liquids from solids and is commonly used in the production of Homemade Explosives?

• A. Centrifuges
• B. Decanters
• C. Grinders
• D. Filters

Answer: (D)

Filtration relies on a barrier with pores that are too small for solids but large enough for liquids. When a mixture containing insoluble solids is passed through this barrier, the solid particles are trapped on or in the filter while the liquid passes through, yielding a clearer liquid and a solid residue. This makes filtration ideal for removing solids from a liquid, purifying a solution, or isolating a solid product from a reaction mixture. The other options describe methods that separate substances by different principles (centrifugal force and density in a spinning process, gravity-driven layering of immiscible liquids, or simply reducing particle size rather than removing solids). So filtration is the technique that specifically accomplishes separating liquids from solids.