What is alkaline reversion? Explain why this condition gives a false negative result

Q: What are the losses occur during ensiling?

A: Ensiling is the method of crop preservation. In this process, food is fermented in anaerobic…

Q: The reaction in Fohl’s test will cause the formation of what compound? What type of reaction happens…

A: Fohl's test is the biochemical test of proteins for the detection of presence of Aminoacids with…

Q: If you run the Lugol's test on an unknown solution and you get a black color at the end, what does…

A: The use of Lugol's iodine reagent is used to differentiate starch and glycogen from other…

Q: Using Benedict's Test would the substance (saliva + acid + potato chips) test positive or negative?…

A: Benedict's test is used for the identification of reducing sugars such as simple carbohydrates…

Q: what does chroomatography observation mean

A: Column fractionation was developed in the 1890s as a technique of separating the various components…

Q: What would be the result of hexan-2-one or hexan-3-one on Brady's and Iodoform test?

A: Principle of Brady's Test: 2,4-dinitrophenyl hydrazine(DNP) of Brady’s reagent reacts with carbonyl…

Q: Explain the process behind coulometry.

A: Coulometry is a method which is based on the measurement of the quantity of electricity  which is…

Q: Why is hydrolysis of sucrose also known as specific sucrose test?

A: Hydrolysis is a chemical reaction where a molecule of water ruptures one or more chemical bonds. The…

Q: ç00 HN-CH-CH," CHR CHR A. В. D.

A: Biuret test is performed in order to detect the presence of peptide bonds.

Q: How would you perform a 100-fold dilution, if you want the final volume to be 15mL? What volume of…

A: Dilution is the process of decreasing the concentration of a solute in a solution. To dilute a…

Q: How is the proper amount of water to be filtered determined? Why is this determination critical to…

A: The quality of water shows the water condition including biological, chemical, and physical…

Q: Does Escherichia coli provide positive or negative results for the lysine decarboxylase and…

A: Ornithine decarboxylase test detects whether bacteria uses ornithine amino acid for carbon source…

Q: what vitamin may be deficient in the following conditions? a. poor night vision b. pernicious anemia…

A: Nutrition is a process in which an organism uses food to support its life as food provides energy…

Q: Wintrobe from Westergren

A: Wintrobe test and Westergren test are both used for ESR. ESR is erythrocyte sedimentation rate. It…

Q: A positive test for the presence of sugar is indicated by which colors?

A: The test that is used to identify the presence of simple sugars in a compound or solution is known…

Q: Do zwitterions interfere with the different color reaction tests?

A: A molecule with a charge of zero and at least two functional groups, one positive and the other…

Q: Which of the following below will show a NEGATIVE result in Huble’s test? Group of answer choices…

A: Lipids are carboxylic groups is attached to a long hydrocarbon chain. On the basis of the presence…

Q: Why are basic dyes more effective for bacterial staining than acidic dyes? State two ways that can…

A: According to the guidelines we have to answer first 2-3 question rest you can ask separately thank…

Q: When conducting the Triple Sugar Iron Test, what is the result of the bacteria Staphylococcus…

A: Triple Sugar Iron Agar test is a test which has three sugar (Lactose, Sucrose, and Glucose) and also…

Q: Why are so many anesthesia (such as ether, chloroform, etc.) fat solvents?

A: Any substance that causes a human to lose consciousness is considered an anaesthetic. Clinical…

Q: What is the fluid thioglycollate medium? Please explain the testing and its results and the…

A: Microbiology laboratory uses various kinds of culture media to identify the biochemical…

Q: How can polarography detect the analyte?

A: Jaroslav Heyrovsky discovered polarographic method   Polarography is a simple method in analytical…

Q: Discuss sabin feldman dye test.

A: A Sabin–Feldman dye test is a serologic test for toxoplasmosis diagnosis. Toxoplasma trophozoites…

Q: paracetamol suspension after 10 mins and 30 mins of observation? with regards to the topic of…

A: Paracetamol is an effective antipyretic and analgesic drug agent. It should always be taken under…

Q: Why is the mucic acid test specific for the presence of galactose and Is glucose always present in…

A: Galactaric acid is another name for mucic acid. Galactose is a sugar which tastes less sweet…

Q: Why is the Hgba1c test could not be requested as STAT

A: Hba1c also called as glycosylated haemoglobin , is that haemoglobin which has got glucose attached…

Q: Will starch + amylase be positive or negative for the Iodine Test?

A: Carbohydrates are the organic molecules that are the primary source of energy for our bodies. They…

Q: Define the following terms: a. albinism b. maple syrup urine disease c. alkaptonuria d.…

A: Genetic disorders are defects in the genes of an organism that are carried from parents to…

Q: Equation involved in Molisch test

A: Molisch's test is the qualitative test that is used to detect the presence of carbohydrates such as…

Q: Why sucrose gives negative Benedict test?

A: Benedict's reagent is a chemical reagent which is a mixture of sodium carbonate, sodium citrate, and…

Q: What is the reason for the decrease in the ABS value over time when measuring in the…

A: A spectrophotometer is a device used in an analytical chemistry lab to measures the amount of light…

Q: What is the principle of pettenkofer's test in detetecting the presence of bile salt in the urine…

A: The chief components of bile juice are the bile salts. Bile is a pigmented fluid having the color…

Q: (a) Will phenylalanine test positive or negative in the biuret test? Why? (b) What color do you…

A: Biuret test can be used to detect presence of proteins and peptides. Cupric ions present in copper…

Q: Would lactose + lactase be positive or negative for the Iodine test?

A: Lactose is a disaccharide that is commonly found in milk. Lactose is also known as milk sugar.…

Q: This test gives red color, indicating the presence of cysteine.*   A. Lead acetate test B.…

A: Cystein is a sulphur containing amino acid that is capable of forming disulphide bridges in the…

Q: What is the main purpose of Huble's Test? How does it differ/similar to Unsaturation Test? How do…

A: Lipids are a group of compounds that are oily or greasy in nature. They consist of alcohol generally…

Q: Why should the specimen be albumin free when performing the chloride test for urine?

A: Urine specimen should be free from albumin when performing the chloride test due to the following…

Q: what color will cellulose turn for iodine test?

A: Cellulose is an important component of cell wall of plants. It is a Polysaccharide made up of beta D…

Q: What results are expected in the Molisch's test? What is the test for?

A: Carbohydrates are biological molecules that contain the elements of carbon, hydrogen, and oxygen.…

Q: Why acids and boiling are necessary in maceration?

A: Maceration refers to an extraction process that enables contact between a solvent and the plant for…

Q: What is the purpose of Biuret’s test? In biuret’s test, does the color in each test tube containing…

A: There are different biomolecules, including carbohydrates, protein, lipids, etc., are present. The…

Q: In detection of Bile Salts in urine, what are the mechanisms, reactions, possible results and…

A: Bile is the yellowish-green colored fluid consisting o bile acids, bilirubin, cholesterol, and…

Q: With reference to Table 2, what was the total extract volume in mL? Enter a number (no decimal…

A: In cells, there are thousands of distinct proteins. Extraction and purification of these substances…

Q: What is function of ''quinoline molybdophosphoric acid'' in the Phosphate Gravimetric Quimociac…

A: Gravimetric Analysis: It is a technique by which an analyte amount can easily be determined through…

Q: Is there a possibility for lactose to give a positive Mucic Acid test? Explain.

A: Monosaccharides upon treating with oxidizing agents here, nitric acid yield dicarboxylic acids by…

Q: Which sample shows positive results in benedict's test? why?

A: Introduction: Benedict's test is a simple science test used to recognize reducing sugars.

Q: What is Gunning’s Test?

A: Quantitative assays are assays that give accurate and exact numeric quantitative measure of the…

Q: When can the H-H equation be used clinically/

A: The pH of a solution is defined as negative logarithm of the concentration of hydrogen ions in a…