Which of the following statement is wrong regarding permanent hardness – McqOptions

MCQOPTIONS

1.	Which of the following statement is wrong regarding permanent hardness?
A.	It is also called carbonate hardness
B.	It is due to the presence of sulfates, chlorides and nitrates of calcium and magnesium
C.	It cannot be removed by boiling
D.	It requires special methods of water softening to get removed
Answer» B. It is due to the presence of sulfates, chlorides and nitrates of calcium and magnesium

Discussion

No Comment Found

Related MCQs

Chlorides are estimated by titration with a standard silver nitrate solution by using _______as indicator.
State whether the following statement is True or False.Gelatin liquefying bacteria are helpful in the manufacturing of photographic films.
What is the concentration of H+ ions in moles/L in water if the pOH value is 6?
State whether the following statement is True or False.Carbonate hardness can be removed by adding lime to water.
What is the indicator used in EDTA method?
In which method of determining total hardness of water is based on the premise that hardness producing substance react with soap and form insoluble compounds before lather is produced?
Which of the following statement is/are correct regarding coliform bacteria?1. It is gram negative2. It is rod shaped bacteria3. It is a harmless aerobic microorganism
State whether the following statement is True or False.Threshold odour number testing is preferred in hot water.
Which of the following statement is wrong regarding turbidity?
Which of the following statement is wrong regarding permanent hardness?