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Which of the following is an example of an acidic stain?
Basic dyes: Crystal violet, Methylene blue, Malachite green, Safranin. Acidic dyes: Nigrosin, Congo red
Is Congo red a basic or acidic substance?
Congo red is an azo dye that acts as a pH indicator and is classified as an acidic substance. It changes color depending on the pH of the solution, appearing red in acidic conditions and blue in alkaline conditions. Due to its structure, it can donate protons, which contributes to its acidic behavior.
Is Congo red basic or acidic?
Congo red is a synthetic dye that exhibits acidic properties. It is often used as a pH indicator, changing color from blue in alkaline solutions to red in acidic environments. This characteristic makes it useful in various applications, including biological staining and pH testing.
What is another name for the Congo?
The Congo River, also known as the Zaire River
What is another name for the Congo River?
The Congo River, also known as the Zaire River
Is there another name for ZAIRE?
The country formerly called Zaire changed in 1997 to the Democratic Republic of Congo, D.R. Congo, or D.R.C. It is also called Congo-Kinshasa (Kinshasa being the capital.) This is to distinguish it from the neighboring "Republic of Congo" (Congo-Brazaville). D.R. Congo, or Congo-Kinshasa, is the former Belgian Congo. The Republic of Congo, or Congo-Brazaville, is the former French Congo.
Acidic Congo red does not contain carbon particles like Nigrosin but can give the appearance of a negative stain What is the basis for this stain?
Acidic Congo red is a negatively charged dye that can stain the background of a specimen, giving the appearance of a negative stain. This effect is due to the electrostatic repulsion between the negative charge of the dye and the negatively charged cellular components, causing the dye to be excluded from the cells and stain the background instead.
What is 'in Congo' when translated from English to French?
Au Congo-Brazzaville and au Congo-Kinshasa are French equivalents of the English phrase "in Congo." The first example references the central-west African country officially called the Republic of the Congo while the second example refers to the neighboring country officially known as the Democratic Republic of the Congo in English while The respective pronunciations will be "o kon-go-bra-tsa-veel" and "o kon-go keen-sha-za" in French.
What are 3 cases you add 2 letters to the name of a country and get the name of another?
One example is adding "an" to "Congo" to get "Congoan." Another case is adding "es" to "Chile" to form "Chiles." Lastly, adding "ia" to "Samoa" results in "Samoaia."
Can anyone please give me an example of speech choir in theater?
the CONGO. try it...
What is the basis for acidic Congo red stain?
Acidic Congo red stain is a synthetic dye that is based on the structure of azo compounds, which contain an azo group (-N=N-). It is an anionic dye, meaning it carries a negative charge, and is used primarily in histology to detect amyloid deposits in tissues, as it binds to the β-pleated sheet structure characteristic of amyloid proteins. Upon binding, Congo red exhibits a characteristic red color, and under polarized light, it displays a green birefringence, which is indicative of amyloid presence.
In this excerpt form the poem the Congo by vachel Lindsay the phase a deep rolling bass is an example of?
This phrase is an example of Iambic Pentameter. The Congo was a poem written by Vachel Lindsay in 1913 in a magazine called "Poetry, a Magazine of Verse".
