6.3. Common Impurities Found in Water

Try these first

1. 1.

   What are suspended solids?

   Hint

   Focus on what remains in water after filtering.

2. 2.

   Name one effect of organic matter in water.

   Hint

   Think about how it affects concrete setting.

3. 3.

   What includes clay, silt, and organic matter?

   • Dissolved Solids
   • Suspended Solids
   • Organic Matter

   Hint

   Remember the types of particles in water.

4. 4.

   True or False: High levels of organic matter improve concrete strength.

   • True
   • False

   Hint

   Think about how it affects hydration.

5. 5.

   Analyze a scenario where seawater is used in concrete mixing. Discuss the long-term effects.

   Hint

   Consider the effects of salt on metals.

6. 6.

   You have water with a high TDS of 3000 mg/L. Propose a treatment solution before using it for concrete mixing.

   Hint

   Look for methods to effectively filter out dissolved solids.