The product of H+ ions and OH- ions in a water solution is equal to

Related MCQs

• Alkalinity is caused by positively charged hydrogen ions.
• The presence of calcium and magnesium bi-carbonates in water causes hardness in the water.
• The sanitation system in which a small portion of storm water is allowed to enter in the sanitary sewage sewers and the remaining storm water flows in separate set of sewers, is known as
• The most important source of water for public water supply is
• The water obtained from a lake is known as surface water.
• In designing a water works for a city to meet the water demand for public use, a provision of about
• If the level of source of water is higher than that of the place of consumption, the system adopted for supplying water is
• The presence of calcium and magnesium chloride in water causes
• The natural process in which the oxygen of water of streams is consumed by sewage and at the same time, it is replenished (filled again) by the atmosphere, is known as
• A sewer which receives storm water, surface run-off and sewage is called a