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hydrochloric acid reacts with iron when it starts bubbling , magnesium reacts more though .

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What happens if phenolphthalein solution is added in hydrochloric acid?

If phenolphthalein solution is added to hydrochloric acid, it will remain colorless since the pH of hydrochloric acid is too low for phenolphthalein to change color. Phenolphthalein typically turns pink in a basic solution but does not show a color change in acidic conditions.


How do these show if a metal reacts with the acid?

If a metal reacts with an acid, you will observe bubbles of gas being produced, a change in temperature (either an increase or decrease), and the metal may appear to dissolve or form a metal salt in the solution. These are common indicators that a chemical reaction is taking place between the metal and the acid.


Show experiment for metal and hydrochloric acid?

To test the reaction between a metal and hydrochloric acid, place a small piece of the metal (e.g. zinc or magnesium) into a test tube filled with hydrochloric acid. Observe the reaction, which may involve fizzing or bubbling as hydrogen gas is produced. You can test for the presence of hydrogen gas by placing a lit match at the mouth of the test tube – a pop sound indicates the presence of hydrogen gas.


How could you show that magnesium reacts with acid faster with acid than with pure water and what would you see?

Metallic magnesium will cause rapid evolution of hydrogen gas when contacted with an acid in water solution, but will cause gas evolution much more slowly if at all when in contact with pure water.


When dilute sulfuric acid reacts with aluminium powder?

When dilute sulfuric acid reacts with aluminum powder, hydrogen gas is produced, along with aluminum sulfate as the salt. The reaction is exothermic and produces heat. This reaction is commonly used in demonstrations to show the reactivity of metals with acids.

Related Questions

What happens if phenolphthalein solution is added in hydrochloric acid?

If phenolphthalein solution is added to hydrochloric acid, it will remain colorless since the pH of hydrochloric acid is too low for phenolphthalein to change color. Phenolphthalein typically turns pink in a basic solution but does not show a color change in acidic conditions.


How do you test hydrochloric acid?

Blue litmus paper would turn red indicating it as an acid. Addition to silver nitrate would result in a white precipitate of silver chloride indicating the presence of chloride. These two tests would show the substance to be hydrochloric acid.


What is the acid reaction of a mineral?

The acid reaction of a mineral typically refers to how a mineral reacts when exposed to acid, often hydrochloric acid (HCl). Certain minerals, like carbonates (e.g., calcite), will effervesce or fizz when acid is applied, releasing carbon dioxide gas (CO2). This reaction is a key diagnostic tool in mineral identification, as not all minerals react to acid in the same way. Non-reactive minerals, such as quartz, will show no visible reaction.


How you would show that seashells contain carbonates?

To demonstrate that seashells contain carbonates, you can perform an acid test. Take a small sample of the seashell and add a few drops of hydrochloric acid (HCl) to it. If carbonates are present, you will observe effervescence or bubbling, which indicates the release of carbon dioxide gas as the acid reacts with the carbonate minerals in the shell. This reaction confirms the presence of carbonates in the seashells.


Is carbon dioxide formed when acid reacts with base?

Carbon dioxide does not show reactions with acids.


How can geologists use acid to confirm that the rock towers on the limestone?

Geologists can use acid to confirm that rock towers are composed of limestone by performing an acid test. When a weak acid, such as hydrochloric acid, is applied to limestone, it reacts with the calcium carbonate in the rock, producing carbon dioxide gas and causing effervescence or fizzing. This reaction indicates the presence of limestone, as other rock types typically do not show this characteristic. By observing this reaction, geologists can effectively identify and confirm the composition of the rock towers.


How could you show that magnesium reacts faster with acid than with water?

*when putting a piece of magnesium into dilute hydrocloric acid . *then hydrogen gas bubbles off. *this shows that magnesium react quickly in acid.


How do these show if a metal reacts with the acid?

If a metal reacts with an acid, you will observe bubbles of gas being produced, a change in temperature (either an increase or decrease), and the metal may appear to dissolve or form a metal salt in the solution. These are common indicators that a chemical reaction is taking place between the metal and the acid.


Show experiment for metal and hydrochloric acid?

To test the reaction between a metal and hydrochloric acid, place a small piece of the metal (e.g. zinc or magnesium) into a test tube filled with hydrochloric acid. Observe the reaction, which may involve fizzing or bubbling as hydrogen gas is produced. You can test for the presence of hydrogen gas by placing a lit match at the mouth of the test tube – a pop sound indicates the presence of hydrogen gas.


How could you show that magnesium reacts with acid faster with acid than with pure water and what would you see?

Metallic magnesium will cause rapid evolution of hydrogen gas when contacted with an acid in water solution, but will cause gas evolution much more slowly if at all when in contact with pure water.


How will you know that the reaction between hydrochloric acid and sodium bicarbonate is already complete?

The reaction between hydrochloric acid and sodium bicarbonate is complete when there are no more visible bubbles or fizzing, indicating that all the carbon dioxide gas produced has escaped. Additionally, if you use a pH indicator, the solution will show a neutral pH when the reaction is finished, as the acidic hydrochloric acid is neutralized by the basic sodium bicarbonate. Observing a clear solution without any solid residue of sodium bicarbonate also confirms completion.


When dilute sulfuric acid reacts with aluminium powder?

When dilute sulfuric acid reacts with aluminum powder, hydrogen gas is produced, along with aluminum sulfate as the salt. The reaction is exothermic and produces heat. This reaction is commonly used in demonstrations to show the reactivity of metals with acids.