Water Quality to Prep for ENR CDE

Front

What is the recommended pH range for drinking water according to WHO?

Back

6.5 to 8.5

Front

What causes the hardness in water?

Back

Calcium and magnesium

Front

What is the maximum permissible limit for Total Dissolved Solids (TDS) in drinking water?

Back

1000 mg/L

Front

What is the safe level of chlorine in drinking water?

Back

4 mg/L

Front

What is the main use of sulfate in the commercial industry?

Back

Chemical industry

Front

What does electrical conductivity in water measure?

Back

The ionic process

Front

What is the safe level of Trihalomethanes (THMs) in drinking water?

Back

80 ppm

Front

What does turbidity in water indicate?

Back

The light emitting properties

Front

What does a potability value of 1 indicate?

Back

Water is safe for consumption

Front

What is the main source of Total Organic Carbon (TOC) in water?

Back

Decaying natural organic matter