Fika Quiz 09/20

What does pH stands for?

• Potential of hydrogen

• Power of hydrogen

• Purity of hydrogen

• Pressure of hydrogen

What is the pH level of pure water?

• 3

• 5

• 7

• 9

What kind of water is from kitchens and dishwashers?

• Blue water

• Black water

• Green water

• Industrial Water

What kind of water is consider as black water?

• Water used for industrial processes

• Wastewater from sinks and showers

• Water used for irrigation

• Water contaminated with toilet waste and Grease

What kind of water is consider as Gray water?

• Wastewater from sinks and showers

• Water contaminated with toilet waste

• Water contaminated by pathogens and grease

• Water used for irrigation

What is brackish water?

• Water from glaciers

• Freshwater from lakes

• Water with high salt content

• A mix of saltwater and freshwater

What is called as Soft water?

• Water that has less minerals

• Water contains little or no dissolved calcium or magnesium

• Water that has high salt content

• Water that has high minerals

What is Hard water?

• Water that has less minerals

• Water contains little or no dissolved calcium or magnesium

• Water with high salt content

• Water that has high minerals (calcium and magnesium)

What is the pH level of rain water?

• pH 7 : Always neutral

• pH 5 - 5.5 : Usually acidic

• pH greater than 7 : Always basic

• pH less than 5: Always acidic

What is the pH level of stomach fluids?

• 1 - 4

• 7

• 5 - 6

• 8 - 9