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Litmus

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13y ago

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What kind of litmus paper do you use if you have an acid?

Blue litmus turned into red by acids.So you have to blue litmus.


What is litmus solution?

yes it is


What happens when litmus paper is immersed in vinegar and salt solution?

vinegar is a weak acid (acetic) litmus turns blue in base (good mnemonic to remember - b=b) pink in acid


What kind of substance tastes sour turns litmus paper red and has a pH of 5?

The substance is likely an acid, as acids taste sour, turn litmus paper red, and have a pH below 7. Examples of acids with a pH of 5 include vinegar (acetic acid) and citrus fruits (citric acid).


How do you make red cabbage indicator?

In order to make this kind of an indicator, you need: RED CABBAGE, A MIXER, WATER, STRAINER, ACID, BASE, BEAKER (or a glass). Now, take a few of the red cabbage leaves and put them in the mixer, after that, put water into the mixer. Now: MIX! When you mix, strain off the cabbage-leaf parts into a beaker and you're ready to go. If you pour hydrochloric acid, the juice turns red, if you put ammonia, it turns green, if you put a solution of sodium hydroxide, it turns yellow. Of course, these are all lab-grade chemicals. You can also use (Lemon) Citric Acid, Acetic Acid(Vinegar), Sodium Bicarbonate(Baking Soda)...Hope I helped..! :)


What Changes color in acid and bases?

They aren't. Most acids are colorless liquids (sometimes with a yellow/green hue) and most bases are white or yellow-white. What you are thinking of is universal indicator, which is an organic compound that turns red at a low pH (acidic) or blue at a high pH (basic/alkaline).


What criterion is used in selecting an indicator for a particular acid-base titration?

The key criterion for selecting an indicator for an acid-base titration is that the indicator's color change should occur close to the equivalence point of the titration. This ensures that the indicator accurately signals when the reaction is complete. The pH range over which the indicator changes color should match the pH range around the equivalence point.


How do you make a pure sample of salt?

Sodium hydroxide is an alkali. If you take solutions of hydrochloric acid and sodium hydroxide that have the same concentration, and mix equal volumes of them, the sodium hydroxide neutralises the acid. if you take tests with the solution on universal indicator paper, you will find it has pH7. If you leave the solution to evaporate, you will see crystals of salt. This is the kind of salt you put on your chips but remember not to eat them in a laboratory! =)


Is acid a noun?

acid can be a noun or an adjective.Adjective-Containing acid or having the properties of an acid; in particular, having a pH of less than 7Noun-A chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind


Which definition describes an acid?

An acid is a substance that donates hydrogen ions in a chemical reaction, leading to the formation of positively charged ions. Acids typically have a sour taste, turn blue litmus paper red, and have a pH below 7.


Does marshmallow root help kidney stones?

yes it does it melts in your stomach and turns in to an acid but what helps you more is some kind of fiber in a food but it has to be rich in fiber


How do you find the pH of a solution using a universal indicator?

pH indicators are usually weak acids or weak bases that change their color depending on their dissociation (protonation) state. Sometimes both forms are colored, sometimes only one. In most cases you may assume that to completely change color of bicolored indicator pH must change by 2 units. However, human eye is more sensitive to some colors than to others, thus some color changes can be perceived over wider pH range. pH indicators can be used to check pH of the solution, although they are rarely added directly. Only in acid-base titrations indicator should be added to the solution. To check pH it is much more convenient to use pH strips. It is worth of noting here that pH strips are nothing else but pieces of paper impregnated with indicator or a mixture of indicators.