by boiling but the permanent hardness of water cannot be removed by boiling only. The permanent hardness is due to the presence of chlorides and sulphates of Magnesium and Calcium and it cannot be removed by just boiling. According to the United States Geological Survey ,the water sample ...
Assertion : Permanent hardness of water can be removed by using washing soda. Reason : Washing soda reacts with soluble calcium and magnesium chlorides and sulphates in hard water to form insoluble carbonates. AIf both assertion and reason are true and reason is the correct explanation of ass...
9 RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook permanent hardness Encyclopedia n (Chemistry)chemhardness of water that cannot be removed by boiling as it results mainly from the presence of calcium and magnesium chlorides and sulphates ...
1. Definition of Temporary Hardness: Temporary hardness in water refers to the hardness that can be removed by boiling. It is primarily caused by the presence of certain compounds in the water. 2. Identification of Compounds: The main causes of temporary hardness are the presence of calcium bic...
3. (Chemistry) the quality of water that causes it to impair the lathering of soap: caused by the presence of certain calcium salts. Temporary hardness can be removed by boiling whereas permanent hardness cannot Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCo...
Temporary hardness is less detrimental because it can be eliminated through boiling. However, permanent hardness can be removed only by means of chemical treatment. Permanent hardness in water can damage piping, boilers as well as other pressurized systems. Hard water tends to form scale deposits th...
Permanent hardness can be removed by boiling the water or running the water through an ion-exchange column, whereas temporary hardness can be removed by boiling the water or using lime (calcium hydroxide — (CaHO3)(CaHO3). The idea is to precipitate the compounds out of the solution and the...
Such hardness may be temporary when multivalent ions are present as bicarbonates (calcium bicarbonate, magnesium bicarbonate) as this hardness can be easily removed by boiling water, resulting in precipitation of the ions as carbonates. On the other hand, permanent hardness is caused by the ...
lack of compa... strictness callousness toughness severity severity denseness inflexibility solidity stiffness rigidity toughness firmness firmness hardness noun Synonyms for hardness Collins Roget's WordNet nounfirmness Synonyms firmness toughness rigidity ...
HARDNESS CONTROL LIQUID is added to the boiler water to maintain an optimum phosphate level. Under these conditions, calcium and magnesium hardness salts cannot form and the precipitate can be removed by blowdown. Please note: This product is part of a VECOM MARINE coordinated treatment and shoul...