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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.
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.
Is carbon dioxide formed when acid reacts with base?
Carbon dioxide does not show reactions with acids.
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.
What is the name of the compound HCI?
Well, darling, the name of the compound HCI is hydrochloric acid. It's a pretty strong acid that can burn through metal if you're not careful. So, handle it with care, unless you're looking to start a fire show in your kitchen.
What is the particle diagram to describe the reaction between magnesium and hydrochloric acid?
its Hydrochloric Acid + Magnesium = Magnesium Chloride + Hydrogen... the Particle Diagram for this is two big cirlces next to 3 littlish squares... + 6 big triangles and 250 tiny circles in a 10cmX10cm square... Well Heres your homework done.
A test for this mineral is you pour acid on it what mineral is this?
Pouring hydrochloric acid, or HCL, over a mineral will cause carbonate minerals to effervesce. This application is called the "acid test," it simply examines the mineral or rocks reaction to acid. Calcite is the most commonly found carbonate mineral and it will fizz during the acid test. Dolomite is another carbonate mineral; however, it will only fizz if it is first powdered. Experiments also show that undiluted vinegar can cause effervescing, but it produces less vivacious results. Some sedimentary rocks that fizz include chalk, coquina, oolic limestone, fossilferous limestone, and micrite. The metamorphic rock marble also fizzes.
