Sodium, a highly reactive metal, will fizz and produce hydrogen gas when added to water. The reaction is vigorous and can be potentially dangerous due to the release of flammable hydrogen gas.
Potassium is an element that forms an alkali solution when added to water. It reacts vigorously with water to produce potassium hydroxide, which is a strong base.
If the limestone rock fizzes when dilute acid is added, it indicates the presence of calcium carbonate in the rock. When calcium carbonate reacts with acid, it produces carbon dioxide gas, which causes the fizzing.
This description matches the element sodium. Sodium is a highly reactive metal that reacts with water to produce hydrogen gas and sodium hydroxide, causing fizzing and release of heat. It corrodes easily when exposed to air due to its high reactivity.
When added to water, hydrogen (H+) ions produce acid. When hydrogen gas dissolves in water, it forms hydronium ions (H3O+), which lower the pH of the solution and make it acidic.
Chlorine is commonly used to kill germs in tap water. It is added to water treatment facilities to disinfect the water and make it safe for consumption.
It fizzes for awhile and then it makes a compound called magnesium oxide.
It fizzes and bubbles for a while.
When an element fizzes upon contact with water, it typically indicates a chemical reaction is occurring, often producing hydrogen gas. This is common with alkali metals, such as sodium or potassium, which react vigorously with water, releasing heat and forming hydroxides. The fizzing is a result of the rapid formation of gas bubbles as hydrogen is generated. This reaction can be quite exothermic, sometimes leading to flames or explosions, depending on the metal involved.
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Potassium is an element that forms an alkali solution when added to water. It reacts vigorously with water to produce potassium hydroxide, which is a strong base.
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chlorine
Sodium fizzes in water because it is undergoing a chemical reaction with water to form sodium hydroxide. The result is more stable than either of the original chemicals. When sodium chloride is added to water both of these substances are stable with respect to each other and no reaction occurs that results in a new chemical product.
Sodium fluoride.
Flourine is the element.It is added as flouride ions.
If the limestone rock fizzes when dilute acid is added, it indicates the presence of calcium carbonate in the rock. When calcium carbonate reacts with acid, it produces carbon dioxide gas, which causes the fizzing.
It reacts violently, fizzes about on the surface and then: BOOM!!!