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Because the reaction is highly exothermic. when potassium touches water the substances react chemically and the bonds created, thereby releasing a lot of energy. This energy can ignite the hydrogen gas produced to create flames.

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How can you test strontium nitrate ammonium carbonate and potassium sulfate?

To test for strontium nitrate, you can perform a flame test which will produce a red flame color. For ammonium carbonate, it will release ammonia gas when heated and form a white precipitate when reacted with a sodium hydroxide solution. Potassium sulfate can be identified by its solubility in water, as it is highly soluble.


What color flame is produced when potassium metal reacts with water?

When potassium metal reacts with water, it produces a lilac-colored flame. This flame color is a result of the energy released during the chemical reaction between potassium and water.


Which metal reacts with water and burns with a lilac flame?

Potassium has a violet color in the flame test.


What gas would potassium in water produce?

Potassium reacts with water to produce potassium hydroxide (KOH) and hydrogen gas (H2).


Does potassium blow up in water?

Potassium reacts vigorously with water to produce potassium hydroxide and hydrogen gas. This reaction releases a lot of heat and hydrogen gas, which can ignite, resulting in a flame or explosion. Therefore, it is not safe to put potassium in water.


What are the products of potassium?

Potassium produces potassium hydroxide when reacted with water. It can also form various salts, such as potassium chloride, potassium nitrate, and potassium sulfate, when combined with other elements or compounds.


Which chemicals produce only salt and water when reacted with dilute hydrochloric acid?

Sodium hydroxide (NaOH) react with dilute Hydrochloric Acid (HCl) to form Sodium chloride (NaCl) and water (H2O).


When sulfuric acid and potassium hydroxide neutralize each other to make water and potassium sulfate water is formed by what?

Water is formed by the combination of H+ ions from sulfuric acid and OH- ions from potassium hydroxide to produce H2O molecules. This reaction is a typical acid-base neutralization reaction where the acid and base react to form water and a salt.


What happens when Aqueous potassium hydroxide is reacted with sulfur dioxide?

When aqueous potassium hydroxide is reacted with sulfur dioxide, potassium sulfite (K2SO3) and water are produced. The balanced chemical equation for the reaction is: 2KOH + SO2 → K2SO3 + H2O.


Does potassium change a different colour when mixed with water?

Potassium metal does not change color when mixed with water. However, it reacts vigorously with water, producing hydrogen gas and forming potassium hydroxide. The reaction is exothermic, releasing a significant amount of heat. This reaction is often used to demonstrate the reactivity of alkali metals with water.


What happens if hydrogen is reacted with oxygen?

Water is formed. When hydrogen and oxygen gases are mixed, nothing happens, until a flame is put into the mixture. Whereupon there is a 'pop' and water is formed. Here is the BALANCED reaction eq'n 2H2(g) + O(g) = 2H2O(l) The 'pop' test is a classic lab. test for hydrogen . If the gases are mixed in large quantities, then the 'pop' becomes an explosion. NB Fill two balloons , one with hydrogen and the other with helium. With a piece of string allow then to float in the air/room. Put a lighted taper to the helium filled balloon. It will just pop and fall to the ground. Put a lighted taper to the hydrogen filled balloon. It will pop with a flash of flame and a loud bang.


What does a carbonate reacted with acid produce?

water, carbon dioxide and a salt