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

Q: what does it mean if a bacteria tested positive for indole

A: Like several biochemical bacterial experiments, the results of the indole test are indicated by a…

Q: the first step in the test for a lipid is to add ethanol and propanone .what do this step do?

A: Lipids are organic molecules that contain hydrocarbons. These contain fats, hormones, oils, some…

Q: The table below summarizes the results for Millon's test. Provide the correct remarks from the…

A: Millon’s test is an analytical test used for the detection of the hydroxy phenol groups. Since the…

Q: tion chromatography separates chemicals base on their differences in

A: Chromatography is a technique that is used for the separation of various mixtures.  Depending upon…

Q: The two most abundant pigments in the chromatography results were carotene and Xanthophyll. What…

A: A photosynthetic pigment is a pigment which is found in green plants and do not  absorb all the…

Q: In which type of chromatography, solvents of increasing polarity are passed through a column of…

A: Chromatography is a separation technique that is used to separate components of a mixture based on…

Q: what will be the possible results in testing the solubility of oil in the water?

A: Polar or hydrophilic molecules are soluble in water and non-polar or hydrophobic molecules are…

Q: 1. Draw/illustrate the chemical reaction involved in Barfoed's test and explain the purpose of this…

A: Qualitative tests: Qualitative tests are being done to test the presence of any particular component…

Q: Strong Iodine Solution USP Formula: Iodine pellets ____ Potassium iodide ____ Purified water ____…

A: Pharmacopeia has a collection of medicinal preparations, dosage forms, information about the purity…

Q: Which of the following compounds will not discharge the brown/orange color of bromine? (Negative…

A: Bromine test is a qualitative test to detect the presence of unsaturation, phenols or anilines. The…

Q: What results are expected in the Molisch's test and what is the test for? What kinds of…

A: Carbohydrates: a. Carbohydrates is the most abundant organic molecule found in nature. b. 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: Why is it necessary to flame the top of the bottle before pouring the plate?

A: Aseptic techniques are used to prevent contamination from pathogens. These are used in clinics and…

Q: How are clinical chemistry test results used to confirm or rule out a presumptive diagnosis? Why is…

A: Any medical test's primary goal is to assess if a patient does or does not have a specific disorder.

Q: Discuss the results and observations in a regular laboratory experiments the denaturation of: 1.…

A: A polypeptide is fully functional if its properly folded misfolded protein got ubiquitination so, if…

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: . What would be the effect of the following errors in chromatographic work? a. The solvent level in…

A: Paper chromatography is the technique that is involved in the separation and purification of the…

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

A: The microbes that affect the intestine of an individual are referred to as enteric pathogens. The…

Q: Give at least two (2) chemical tests for amino acids/ proteins other than what were performed in…

A: There are several other tests to determine properties of proteins and amino acids present in a…

Q: 1. B,010H22 (aq) 2. HB,010H4 (aq) 3. H2B4010H4(aq) Using the above chemicals to match the below…

A: Asked : Chemicals to be matched with given terms

Q: How can polarography detect the analyte?

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

Q: DESCRIBE THE RESULTS OF THE REDUCTION TEST FOR SUGARS USING THE FOLLOWING TEST MOORE’S TEST SUGAR…

A: Carbohydrates are one of the essential macronutrients for our body and form the major component of a…

Q: A carbohydrate sample reacts positively with all test reagents except for Lugol's. The sample could…

A: Carbohydrates are the chief biomolecules which act as energy source. Most of the body cells depend…

Q: Mrs. Smith mixed two unknown chemicals. The mixture changes its colour after the two chemicals have…

A: As Mrs. Smith has mixed two unknown chemicals and these two chemicals get interacted under the heat.…

Q: What would happen if: The alcohol was left on for 20 minutes? The safranin was added after addition…

A: Gram staining is a technique which is used to identify the bacterial cell type, whether it is gram…

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: What kinds of carbohydrates are identified by the iodine test?

A: Biomolecules have different chemical, physical properties. The difference in their chemical and…

Q: How do I find the optimal temperature for the iodine and starch experiment?

A: The optimal temperature for a particular enzyme is the temperature at which the enzyme attains…

Q: Name at least two alternative chemical tests that can be performed to characterize functional…

A: Organic compounds usually can be divided into two parts: a reactive part; functional group and alkyl…

Q: what does it mean if a pigment (let' say 'yellow') traveled beyond the solvent front in paper…

A: Paper chromatography is the process of separation technique which involved in speraration of…

Q: Which kind of carbohydrates gives positive result with Seliwanoff test?

A: If a sugar contains a ketone group, it is a ketose while a sugar containing an aldehyde group is…

Q: Complete table 2. * Since you were not able to conduct an actual experiment on these tests, kindly…

A: Bromine test is a qualitative analysis of organic chemistry to detect unsaturation, anilines and…

Q: Which of the following balanced chemical equations pertains to the chemical reaction involved in…

A: Calcium hydroxide is the chemical with formula CaOH. This is formed when calcium oxide ,CaO react…

Q: Why is potassium solution injection lethal

A: Potassium is an essential ion in the balance of our body system. Their concentration must not be…

Q: Give at least two (2) chemical tests for amino acids/ proteins other than what were performed in…

A: In biochemistry , a chemical test is performed in qualitative or quantitative procedure to identify…

Q: why would you perform an indole test?

A: The inside test is a qualitative approach of the biochemical analysis of bacteria that determine…

Q: Can paper chromatography be used to separate and identify very volatile substances? Explain your…

A: Paper chromatography is a separation technique that is mainly involved in the principle for the…

Q: The wavelength for cobalt (II) chloride is set to 549 nm. Why is this wavelength being used?

A: In uv visible spectroscopy , we measure the absorption of radiation by the sample at a particular…

Q: What is the possible explanation behind such changes in the results?

A: Blood pressure is the pressure of blood against the blood vessel walls during the cardiac cycle, it…

Q: Why should Erlenmeyer flasks hold not more than 60% of their capacity?

A: To conduct experiments and conduct research, laboratories need a variety of instruments and…

Q: What happened to the pH when the cola and borax solution was added to the water? Explain

A: Answer.  When the cola was added to the water, the pH of the water went from neutral to acidic even…

Q: Why do we add powdered zinc to the nitrate reduction test?

A: Bacteria are prokaryotic simple unicellular organisms. Their mode of respiration may be aerobic or…

Q: Is this an drawing of the chemical reaction involved in Lugol’s test?

A: Carbohydrates are molecules that include carbon, hydrogen, and oxygen and have the formula (CH2O)n.…

Q: Given the chromatogram below, which of the following is the possible identity of unknown sample Y?…

A: chromatography Thin layer Chromatography is a technique to separate non-volatile substances  in a…

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: Chemical Test Just fill out Table 2 by writing “+” if the compound is soluble/miscible in the…

A: Multiple subparts asked. I can answer ìnitial 3 subparts, according to guidelines.  C4H6O2 Methyl…

Q: Which of the following scientists use this X-ray crystallography?

A: X-ray crystallography is the experimental science determining the atomic and molecular structure of…

Q: What is the driving force behind paper chromatography?

A: Chromatography is a laboratory method of separating the mixture into individual components. It…

Q: 3. Positive catalyst 4. Negative catalyst

A: Catalyst when enzyme reduces the activation energy or stabilizes the transition energy in order to…

Q: What type of nuclear reaction does a CAT scan use? a. Gamma Emission b. Electron Capture c. Beta…

A: CAT scan is also known as CT (computer tomography) scan is the process of viewing the cross-section…