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They can be toxic.

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Q: Why is it necessary to remove metal ions from effluents?
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What is a base that dissociates entirely into metal ions and hydroxide ions?

Strong bases dissociate entirely into metal ions and hydroxide ions.


Is Salts made of a metal and a nonmetal?

Salts are made of metal ions and nonmetal ions.


Does metal free take out chlorine?

No, metal-free does not have the ability to remove chlorine from water. Metal-free is typically a product used to sequester or bind metal ions in the water to prevent staining or other issues. To remove chlorine from water, you would need to use a chlorine neutralizer or a water filtration system that is designed to remove chlorine.


What are the chelating agents?

Chemicals that combine with metal ions and remove them from their sphere of action, also called sequestrants. They are used in food manufacture to remove traces of metal ions which might otherwise cause foods to deteriorate and clinically to reduce absorption of a mineral, or to increase its excretion; e.g. citrates, tartrates, phosphates, and EDTA


How many ions does a metal have?

Metals are not discrete molecules therefore they have an infinite amount of ions essentially. The bigger the metal is the more ions it contains.


What is the charge on alkaline-earth metal ions?

All alkaline earth metal ions have a charge of +2


What causes the colour of complex ions?

Transition metal ions


What is EDTA stands for?

Ethylenediaminetetraacetic acid.Answ2. This useful chemical is used to "sequester" metal ions. It is widely used in industry to remove (de-activate) trace metal ions that would mar the process.Similarly it and similar chelating agents are used to remove toxic metals from humans.


When one metal ion shares electrons with anthor metal ion it is called?

Metal ions do not share electrons with one another. Metal ions have a positive charge.


How could you use a precipitation reaction to separate two metal ions from each other?

You can use a precipitation reaction to separate two metal ions by taking advantage of their different solubilities. By adding a reactant that forms an insoluble precipitate with one of the metal ions, it will selectively remove that metal ion from the solution, leaving behind the other metal ion. The precipitate can then be filtered out and the remaining solution can be further processed or tested for the presence of the other metal ion.


Is NaHCO3 a metal?

No. Sodium bicarbonate is an ionic compound consisting of sodium ions, hydrogen ions and carbonate ions. While sodium is a metal, the compound in whole is not.


If a metal loses electrons to a non metal during a chemical reaction the metal and non metal become ions What is the charge on the different ions and why are the ions held together?

The charge on each of the ions formed depends on the specific elements involved. The ions are then held together by the electrostatic attraction between the opposite charges (positive and negative) (called an ionic bond).