what chemical equation produce when 5 mL of concentrated hydrochloric acid and 3 drops of 2% furfural solution are added into the test tube containing a small quantity of melted desi ghee?

Q: What happens : (a) When animal charcoal is added to a solution of methylene blue dye. (b) When…

A: a) When animal charcoal is added to a solution of methylene blue dye. when animal charcoal is added…

Q: All of the following statements about preparation of spotting needles are true EXCEPT: Select an…

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Q: Write the equation for the preparation of soap from stearic acid and NaOH. Explain the reaction.

A: Given,  Write the equation for the preparation of soap from stearic acid and NaOH. Explain the…

Q: Given that the Ksp for BaCO3 is 5.10 x 10-9, calculate the number of grams of BaCO3 that will…

A: From given data,  Ksp= 5.10 x 10-9 Volume of water = 1500 mL = 1.5 L  (Also, molar mass of BaCO3 is…

Q: What is the balanced equation between Calcium bis (12-Hydroxy stearate) and adipic acid ? C18 M360₂…

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Q: How would you characterize a solution made of hexane (C₂H₁) and octane (C₂H₂ )? 8: A) relatively…

A: Raoult’s law: It is stated as the partial vapour pressure of a solvent in a  solution is equal to…

Q: 3 Ways to separate Alcohol, water, diesel and blood and its step by step procedure

A: 1) Centrifugation- Blood is mostly water but the platelets and cells in blood can be separated by…

Q: (d) A sample contains a mixture of ammonium carbonate (NH4)2CO3, sodium carbonate Na2CO3, and sodium…

A: #(d):  The order of stability of the three given salt is: (NH4)2CO3(s) < Na2CO3(s) < NaCl(s)…

Q: Calculate the quantity of lime and soda required for softening one million litre of the following…

A: Given impurities are: Silica = 75 mg/lit  MgCl2 = 19 mg/lit MgSO4 = 30 mg/lit  CaSO4 = 68 mg/lit…

Q: why did the mass of the essential oil decrease the next day after the rotary evaporator

A: Rotary evaporator is used to remove the solvent from a mixture to get the pure substance. A hot…

Q: How many grams of NaOH will you need to add to 5.0 mL of deionized water to obtain a 3.0 M solution?

A: Given that, Molarity of NaOH= 3.0 M volume= 5.0 ml = 0.005 L molar mass of NaOH= 40 g mol-1 mass of…

Q: Add the acid into distilled water to dilute the acid solution 1. Add distilled water into acid to…

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Q: describe how to condition a buret and why it is important?

A: The steps to condition a buret and the reason are as follows: 1) Tо fill а buret, сlоse the stорсосk…

Q: Write an equation that explains what happens if a scientist working in the laboratory spills an…

A: Nylon 6, 6 is a polyamide formed by the condensation reaction of adipic acid (HOOC-CH2- CH2-…

Q: If you titrate 25.00 ml of a 530. mg/L ascorbic acid solution, boil it for 15 minutes and then…

A: KIO3 liberates iodine as: KIO3+5 KI+6 H+→3 I2+6 K++3 H2O

Q: Compute the amount of reagents which will be used for the preparation of the following reagents and…

A: a) calculations x% of any reagent means 'x' gram of solute in 100 mL of solvent So 5% NH4)2C2O4…

Q: What volume of purified water, in milliliters, do you need to add to 5 mL promethazine 2 mg/mL…

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Q: What are the physiochemical properties of the compound extracted from tea?

A: Physiochemical properties are related the chemical and physical properties.

Q: What is the purpose of the base (NaOH) in the preparation of soap?

A: The question is based on the concept of soap preparation. We have  to identify the importance of…

Q: A student has a flask containing the following chemicals and water, which of the following chemicals…

A: Depending upon the type of salts the chemicals can be effectively isolated via filtration process.

Q: A Dumas nitrogen analysis of a 5.72-mg sample of compound E gave 1.31 mL of nitrogen measured a 20…

A: Given, A Dumas nitrogen analysis of a 5.72-mg sample of compound E gave 1.31 mL of nitrogen measured…

Q: Calculate the quantity of lime and soda required for softening one million litre of the following…

A: Water can be hard or soft. Water became hard due to the presence of MgCO3, , MgCl2 and CaCl2. But,…

Q: What happens to polyester slacks if aqueous NaOH is spilled on them?

A: When esters are hydrolyzed in presence of a base(NaOH) it gets converted to carboxylic acid and…

Q: State the chemical properties on which the following uses of baking soda are based:(i) as an…

A: Sodium bicarbonate (NaHCO3) is termed as the baking soda and it is made up of sodium (Na+) and…

Q: What are the functions of each ingredient in hand and body lotion? INGREDIENTS FUNCTION Mineral Oil…

A: These ingredients  performs unique function in the Lotions and Creams which are Given  below.

Q: 2. What is the use of each apparatus employed for the preparation of Calamine Lotion? Ingredient…

A: Solution is made up of solute and solvent. Solute is present in small amount and solvent is present…

Q: Which of the following ingredients of restorative wax is incorporated to affect wax consistency and…

A: The answer is a) oils. Oils can increase the fluidity of restorative wax. Oils make it less firm to…

Q: 3. Barium chloride reagent is used to confirm the authenticity of a medicinal product? A) Bismuth…

A: Barium chloride is an inorganic compound with the formula BaCl2. It is one of the most common…

Q: Complete the procedure for the synthesis of aspirin by providing the answer to the blanks. In a…

A: Soln

Q: standardization

A: Standardization is the process of determining the exact concentration normally molarity in solution.…

Q: What is the reaction of gelatin to concentrated HCl?

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Q: What are the basic components of a cleansing system (surfactant-based as a shampoo or foaming…

A: The effective foaming ability of these surfactants makes the better foam. These foams can change the…

Q: What is the effect on the stability of milk foams when an acid is added?

A: Foams get settle down.

Q: What is the purpose of the concentrated sulfuric acid in the preparation of aspirin?

A: Acid can be defined as the species that can donate hydrogen ions in a solution.

Q: Sodium carbonate (Na2CO3Na2CO3) is used to neutralize the sulfuric acid spill. How many kilograms of…

A: Given information: Mass of sulfuric acid = 5.04×103 kg

Q: Give the functions of the following ingredients, then name a branded/commercial skin or hair care…

A: 1.Tetrasodium EDTA is used in skin care products because EDTA is a chelating agent and it can…

Q: 4. What is the significance of the emulsification? 5. What is the difference between detergent and…

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Q: what chemical equation produce when 5 mL of concentrated hydrochloric acid and 3 drops of 2%…

A: Normally Vanaspati is prepared from vegetable or seed oil by the hydrogenation process. It is…

Q: What are the basic components of a cleansing system (surfactant based as a shampoo or foaming…

A: Detergent means 'Cleansing agent' and so we can say that the detergents are the substances which…

Q: Are sodium carbonate and ethanol a reagent in extracting caffeine from the tea leaves? Explain the…

A: Extraction is a method used for separating organic compound from mixture of compounds .  Acid - base…

Q: Identify the two layers in the procedure of caffeine extraction from tea bags. In which part does…

A: The caffeine is more soluble in methylene chloride than in water and therefore it will move to…

Q: Name the important by-products of soap industry.

A: The important by-products of the soap industry have to be given.

Q: Write the formula for a micelle of a Cr (OH) 3 sol obtained as a result of the hydrolysis reaction…

A: Introduction: A micelle is the colloidal suspension form by the aggregation of surfactant molecules…

Q: give clear handwritten solution) give %w/v for a solution made from 2.147g  vitamin c dissolved in…

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Q: Explain the differences in melting point of these test compounds by relating with their structures…

A: Melting point is defined as the temperature at which a solid starts melting and becomes liquid.   it…

Q: If you were to use 6.00 g salicylic acid and an excess of acetic anhydride in the synthesis of…

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Q: B) In the steam di-tillation experiment, a mixture of toluene and water *boils at 85 C. Calculate…

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Q: What is the amount of each of following ingredients for a 10-gram preparation of Lassar's Paste?…

A: Lassar's paste is an ointment, which is made up of combination of zinc oxide, salicylic acid, starch…

Q: compare the quality of margarine and mayonnaise when it is made up of coconut oil

A: Answer - margarine - Margarine usually tops butter when it comes to heart health. Margarine is made…