Ch 12 Environmental Chemistry Water

• What is the difference between pure water and groundwater?

  Groundwater contains minerals and impurities
• What is the role of water in environmental chemistry?

  It prevents industrial wastewater contamination
• What are harmful substances that can dissolve in water?

  Excess nutrients and harmful microbes
• What is eutrophication?

  Overgrowth of algae due to nutrient excess
• What is a characteristic of water as a solvent?

  Water is a universal solvent
• What are the harmful effects of wastewater?

  It can contain harmful microbes and pollutants
• What is eutrophication?

  Formation of algal blooms depleting oxygen
• What is a recommended practice for fertilizer use?

  Apply fertilizers at night in the right amount
• What is the impact of excessive fertilizers on water?

  It leads to nutrient runoff and pollution
• What is the role of chlorination in water treatment?

  To kill harmful bacteria in water
• How does agricultural runoff contribute to water pollution?

  It introduces phosphates and harmful chemicals
• What are the steps in treating water to ensure safety for consumption?

  1. Sedimentation: Remove suspended particles
  2. Coagulation: Add chemicals like slaked lime
  3. Filtration: Remove remaining impurities
  4. Chlorination: Kill harmful bacteria
• What are the main causes of water pollution?

  • Wastewater discharge
  • Agricultural runoff
  • Industrial effluents
  • Eutrophication
• What are the effects of nutrient management in agriculture?

  • Optimizes nutrient intake by plants
  • Reduces runoff and pollution
  • Improves crop yield and quality