0
The most common is Litmus. Litmus is extracted from various Lichens and is a good indicator of both acids and alkalis. Some naturally occurring substances indicate only acids or alkalis such as cochineal and curcumin.
The common litmus paper is impregnated with the dye extract of the Lichen to act as an acidity or alkalinity indicator.
All PH (acidity and alkilinity) measuring devices work based upon whether they accept or donate protons and as such are infact themselves acids or bases.
For greater accuracy other dyes (other than the reactive element) are added to the PH detector which can be chemically engineered to give visible changes in colour at every step on the PH scale.
What else can I help you with?
Why is alkali called alkali?
Alkali is from Arabic "Al-kali" which means ashes of stalwort, from which alkalis were first obtained.
Would the biuret reagent detect DNA or rna?
The biuret reagent is primarily used to detect proteins, as it reacts with peptide bonds in proteins to produce a color change. It does not specifically react with DNA or RNA, which are nucleic acids composed of nucleotides rather than amino acids. Therefore, biuret reagent would not effectively detect DNA or RNA. Instead, other methods, such as spectrophotometry or specific staining techniques, are used for nucleic acid detection.
What are alkails in?
Alkalis are a class of chemical compounds that have a pH higher than 7 and are known for their ability to neutralize acids. Common examples include sodium hydroxide (NaOH) and potassium hydroxide (KOH). Alkalis are often used in cleaning products, agriculture, and manufacturing processes.
How do you think the term organic acid and minera l acids came to be used?
The term "organic acid" refers to acids that contain carbon atoms, while "mineral acid" refers to acids that do not contain carbon atoms. The distinction likely arose from the different sources and properties of these acids, with organic acids typically originating from living organisms and mineral acids being derived from inorganic sources.
What are the principles involved in xanthoproteic test?
The xanthoproteic test is a test for the detection of proteins. If proteins are present, concentrated nitric acid reacts with the proteins to form a yellow color that turns orange-yellow by the addition of alkali. This is called the xanthoproteic reaction.
What detects acids and alkalis?
Indicators are substances that change color in response to the presence of acids or alkalis. pH meters and pH papers are commonly used to detect the acidity or alkalinity of a solution based on the color change of the indicator.
Are acids and alkalis solutions?
Acids and alkalis (properly known as bases) are often used in the form of solutions, but most can exist outside a solution as well.
Can caustic be used as term in defining an acid?
No. acids are corrosive, alkalis are caustic.
How are acids and alkalis used in industry?
Acids are used in industries for food processing, metal cleaning, and pharmaceutical production. Alkalis are used for soap and detergent manufacturing, water treatment, and in the production of chemicals like fertilizers. Both acids and alkalis play vital roles in various industrial processes due to their chemical properties.
How are acids and alkalis useful?
Acids are used in industries such as food production, cleaning, and metal processing. Alkalis are used in industries such as water treatment, soap making, and paper production. Both acids and alkalis are important in processes like pH regulation and chemical reactions.
How acids and alkalis are used in hair and skin care?
i don't no i asked u lolBest answer
How acids and alkalis are used to in soil treatment for gardening?
Acids such as sulfuric acid can be used to lower soil pH for acid-loving plants like blueberries. Alkalis such as lime can be added to raise soil pH for plants that prefer alkaline conditions. It is important to test soil pH before making any adjustments to ensure the right balance for healthy plant growth.
Are acids more dangrous than alkalis?
Both acids and alkalis can be dangerous if mishandled or used improperly. Acids tend to be corrosive and can cause burns on skin or damage to materials, while alkalis can also cause burns and irritate the skin or eyes. The level of danger depends on the type and concentration of the acid or alkali involved.
Are acids plus alkalis friends or foes?
Acids and alkalis can be considered foes because they neutralize each other when they react, producing water and salt. However, they can also be considered friends in a chemical sense because their reactions can be controlled and used in various applications such as in pH regulation and for producing salts.
Why acids are useful?
Acids are useful because they can act as catalysts in chemical reactions, helping to speed up the rate of reaction. They are also commonly used in industries such as food preservation, cleaning agents, and the production of various materials. Additionally, acids play a key role in biological processes, such as digestion in the human body.
Why are acids more concentrated than alkalis?
Acids are often more concentrated than alkalis because they typically have a stronger ability to donate protons (H⁺ ions), leading to higher concentrations of hydrogen ions in solution. Additionally, many common acids, such as hydrochloric acid or sulfuric acid, are available in concentrated forms that can be easily diluted, while alkalis, like sodium hydroxide, are less commonly used in concentrated forms. This results in a greater prevalence of concentrated acids in various applications compared to alkalis.
How and why scientists use acids bases and alkalis in their labs?
Scientists use acids, bases, and alkalis in their labs for various purposes such as adjusting pH levels, catalyzing reactions, and extracting materials. Acids are used to lower pH, bases to raise pH, and alkalis are a subset of bases that are water-soluble and have a pH greater than 7. They are chosen based on their specific chemical properties to facilitate experiments and research.
