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To determine concentration of EDTA.
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Why does limescale form on the inside of kettles?
put simply limescale is caused by the reversal of the reaction that takes place to make hard water that contains high levels of calcium and magnesium when the reaction is reversed this is what causes limescale. to test for hard water use a block of standard soap and if the soap makes scum the water is hard water if it creates bubbles it is soft water
What is the ppm of hardness of dm water?
Water having dissolved mineral hardness of 1 GPG (grain per gallon) or more qualifies it as Hard water according to the Water Quality Association of the United States definition. If you multiply GPG rating by 1.7 you will get the PPM.
What is the chemical in hard water?
Forms of Calcium is what makes hard water hard
What is EDTA titration of Water?
It one of the titrations method to determine the permanent and temporary hardness of water. Procedure; step 1: standardise the edta solution step 2: titrate against the hard water mixed with ebt until the colour changes from wine red to blue. Then we can caluclate the normality using the formula (n1) *(v1)=(n2)*(v2). Posted by Krishna kanth yenumula.
What S forms when soap is used in hard water?
Hard water does not produce lather. So soap does not work effectively with hard water as soap does not form a good lather with hard water.
What is standard hard water?
hard water is which has no ability to lather with soap standard hard water contains 1mg of calcium carbonate in every 1ml of water.
Can you take water into Disneyland?
Yes, as long as they are not glass bottles or carried in hard sided coolers.
Where does kettle limescale come from?
limescale is caused by the reversal of the reaction that takes place to make hard water that contains high levels of calcium and magnesium when the reaction is reversed this is what causes limescale. to test for hard water use a block of standard soap and if the soap makes scum the water is hard water if it creates bubbles it is soft water
Why does limescale form on the inside of kettles?
put simply limescale is caused by the reversal of the reaction that takes place to make hard water that contains high levels of calcium and magnesium when the reaction is reversed this is what causes limescale. to test for hard water use a block of standard soap and if the soap makes scum the water is hard water if it creates bubbles it is soft water
What was carried out the plane in Die Hard 2?
peanuts
What does hard water do?
Hard water refers to water (H2O) that contains a relatively high concentration of dissolved mineral salts, such as magnesium and calcium. These dissolved salts are often undesirable, as they can precipitate as insoluble solids, causing mineral buildup.
What is the ppm of hardness of dm water?
Water having dissolved mineral hardness of 1 GPG (grain per gallon) or more qualifies it as Hard water according to the Water Quality Association of the United States definition. If you multiply GPG rating by 1.7 you will get the PPM.
How much memory on a standard hard drive?
Hard drives come in many standard sizes, ranging from a few megabytes to over a terrabyte.
Why cant a standard hard drive be used in a mac?
Macs only use standard hard drives such as the 7200-rpm Serial ATA hard drive found in many Macs.
How hard water Is produced?
You might be talking about ice but hard water is sourced from limescale rock and the limescale is in the water and that is what you get in your kettle when you dont filter the hard water.
What is the chemical in hard water?
Forms of Calcium is what makes hard water hard
How can an expensive guitar be carried?
Hard casing. when delivering in a vehicle loosen the strings.
