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Which water contains soluble salts of calcium and magnesium is known as?
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= Which water contains soluble salts of calcium and magnesium is known as =
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∙ 14y ago
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Is there calcium in cement?
Yes,Sorel in 1867 announced the discovery of an excellent cement formed from the combination of magnesium oxide and magnesium chloride solution. This cement type is known by many different names, such as Sorel, magnesite and magnesium oxychloride cement. This cement has many superior properties to Portland cement. However, there are two other known magnesia cements. The first is magnesium oxysulfate (MOS), which is the sulfate analogue of magnesium oxychloride and is formed by the combination of magnesium oxide and magnesium sulfate solution. The second is magnesium phosphate cement (MAP), formed by the reaction between magnesium oxide and a soluble phosphate, such as ammonium phosphate monobasic (NH4H2PO4)
Which element has two valence electrons?
Zinc and Calcium
What are the two elements in magnesium oxide?
magnesium oxide is made up of two elements magnesium & oxygen..
What group of elements is known as the earth metals?
The alkaline earth metals are the elements found in group 2 of the periodic table. They include beryllium, magnesium, calcium, strontium, barium, and radium.
Two elements found in hard water?
Typicall water hardness is caused from calcium and magnesium compounds dissolved in the water. The term "hard water" is used to describe water that has a high mineral content, usually calcium and magnesium in the form of carbonates, but may include several other metals as well as bicarbonates and sulfates, (water with a low mineral content is known as soft water). A high enough concentration of these metals in your water can cause white lime scales on surfaces which the water comes into contact with. Total water 'hardness' is reported as ppm w/v (or mg/L) of calcium carbonate (CaCO3). Water hardness usually measures the total concentration of calcium and magnesium, the two most common metal ions, although in some locations around the world iron, aluminium, and manganese may also be present at elevated levels. Calcium usually enters the water as either calcium carbonate (CaCO3), from limestone or chalk, or from mineral deposits of calcium sulfate (CaSO4).
What is reducing the amount of calcium and magnesium the water?
Reducing calcium and magnesium in the water is known as water softening. A water softener uses a carbon filtration system.
What minerals are in a limestone?
Limestone commonly predominantly contains Calcite and Aragonite which are the two crystal forms of Calcium Carbonate (CaCO3). It commonly also contains detrital clasts (broken pieces of other material) such as flint or chert which are silica. Some limestones also contain the mineral dolomite which is Calcium Magnesium Carbonate (CaMg(CO3))2.
Is there calcium in cement?
Yes,Sorel in 1867 announced the discovery of an excellent cement formed from the combination of magnesium oxide and magnesium chloride solution. This cement type is known by many different names, such as Sorel, magnesite and magnesium oxychloride cement. This cement has many superior properties to Portland cement. However, there are two other known magnesia cements. The first is magnesium oxysulfate (MOS), which is the sulfate analogue of magnesium oxychloride and is formed by the combination of magnesium oxide and magnesium sulfate solution. The second is magnesium phosphate cement (MAP), formed by the reaction between magnesium oxide and a soluble phosphate, such as ammonium phosphate monobasic (NH4H2PO4)
Why detergent does not produces lather with hard water?
the hardness of water is mainly due to the presence of Ca or Mg ions.when hard water containing these ions is treated with soap solution it reacts to form white curdy ppt. known as "scum". 2C17H35COONa + Ca+2 -------> (C17H35COO)2Ca + 2Na+ (soap soln) (scum) the hardness is divided into two: 1) permananent Hardness(because of the precense of salts of ca or mg ions) 2) Temporary Hardness(due to the precense of bicarbonates)
A mineralized shell?
No
What are most minerals made of?
From oxygen, silicon, aluminium, iron, calcium, sodium, potassium, magnesium.
What gruop of elements is known as the alkaline earth metals?
Group 2 of the periodic table of elements: beryllium, calcium, barium strontium, magnesium, radium.
Which element has two valence electrons?
Zinc and Calcium
Why Grignard reagent cannot be prepared by Calcium instead of Magnissium?
The beauty of grignard reagents is their relative ease of production, in simple terms just take an alkyl halide add magnesium and stir to get RMgX which can then be reacted further. The difficulty in using calcium is that the metal itself is less reactive and calcium organometallics are relativelly unstable. Calcium organohalides are also more salt-like and are not as soluble as their Mg counterpart. This whole area is not that well understood, the mechanism of production of grignards is unclear. Certainly alkylcalcium halides are known but they are difficult to prepare and are described as extremely unrreactive.
What is the element for magnesium?
Magnesium is known as Mg.
What ingredients can be found in Clinique eyeliner?
Several minerals can be found in Clinique eyeliner such as calcium, magnesium, sodium and potassium. Clinique is known for making gentle and effective makeup.
What are the two elements in magnesium oxide?
magnesium oxide is made up of two elements magnesium & oxygen..
