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At what ppm is what elements of hard water potentially hazardous?
Wiki User
∙ 9y ago
Elements of hard water are potentially hazardous at about 0.3 to 1.5 PPM.
Wiki User
∙ 9y ago
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What 2 elements make water hard?
magnesium and calcium.
What by product is linked to hard water?
Calcium and iron deposits within the water are harmless and often colorless unless the iron content is large (think rust color). These two elements are creators of 'hard water'.
Are elements in group 1 on the periodic table?
No. The elements in group 1 (the alkali metals) are very soft, easily cut with a knife, and are highly reactive and react violently with water and oxygen. They are anything but strong, hard and corrosion-resistant.
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 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 hard boiled eggs left on stove in warm water for 2 hours still be consumed?
No. Boiled eggs should be stored in the refrigerator. Hard cooked eggs are considered a potentially hazardous food. Potentially hazardous food should not be left at room temperature for more than 2 hours (or 1 hour if the ambient temperature is quite warm). I would not recommend consuming the egg.
What elements make up hard water?
magnesium and calcium.
What are the elements found in water?
Hard water contains carbonates and bicarbonates of calcium and Magnesium.
Why is hard water less desirable than soft water?
Hard water contains more calcium and can casue scaling on heater elements found in dishwashers, kettle and washing machines.
What 2 elements make water hard?
magnesium and calcium.
How is water made hard?
Water becomes hard when it is infused with minerals. Elements like sulfur, copper, magnesium, and other metals cause a metallic taste that most people do not enjoy.
What by product is linked to hard water?
Calcium and iron deposits within the water are harmless and often colorless unless the iron content is large (think rust color). These two elements are creators of 'hard water'.
How borax acts as water softening agent?
When borax is added to hard water elements like Mg and Ca react with borax and come out of water and water becomes soft
How long will cooked eggs stay fresh at room temperature?
Since hard-cooked eggs are a potentially hazardous food, the maximum time they should be kept at room temperature is 2 hours.
What are the only three elements found in nature as a liquid?
Solid liquid gas. A solid is hard like ice. A liquid is water. A gas is water just boiled.
Is gold separated from a compound?
Gold is a very soft element which is combined with other elements to become hard. A pure gold jewel floats in water while a gold combined with other elements become densier.
What are a tree's adaptations for survival?
A hard cell wall, which makes up for the hard bark, and sometimes, potentially deadly toxins inside the leaves.
