Question:
Identify the correct relationship with respect to water quality from the following options.
Identify the correct relationship with respect to water quality from the following options.
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Always distinguish between suspended solids, dissolved solids, and colloidal solids when calculating water quality parameters.
Updated On: Apr 15, 2025
- Total solids = Suspended solids + Dissolved solids + Colloidal solids
- Total gases = Biological Oxygen Demand + Chemical Oxygen Demand + Dissolved Oxygen
- Total solids = Suspended Solids + Dissolved solids
- Total gases = Biological Oxygen Demand + Chemical Oxygen Demand
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The Correct Option is C
Solution and Explanation
Step 1: Total solids in water refers to the total amount of material present, including both suspended and dissolved solids. Suspended solids are particles that do not dissolve in water and are visible. Dissolved solids are substances that have dissolved in water, such as salts and minerals.
Step 2: Colloidal solids are very small particles that do not settle out of water like suspended solids, and they are often not included in the calculation of total solids. Therefore, the correct relationship excludes colloidal solids.
Step 3: The formula for total solids is: \[ {Total solids} = {Suspended solids} + {Dissolved solids}. \] Conclusion: The correct relationship is that total solids is the sum of suspended solids and dissolved solids.
Step 2: Colloidal solids are very small particles that do not settle out of water like suspended solids, and they are often not included in the calculation of total solids. Therefore, the correct relationship excludes colloidal solids.
Step 3: The formula for total solids is: \[ {Total solids} = {Suspended solids} + {Dissolved solids}. \] Conclusion: The correct relationship is that total solids is the sum of suspended solids and dissolved solids.
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