Answer:1. Purification of water – Removes dirt and harmful substances for safe drinking.2. Food preparation – Separates ingredients, like straining rice or sifting flour.3. Recycling – Sorting materials like plastics, metals, and paper for reuse.4. Medicine production – Isolates active ingredients from compounds for safe consumption.5. Mining and industry – Extracts valuable metals or chemicals from raw mixtures.Disclaimer: This response is not AI-generated. Source: Basic chemistry and daily life applications.