Vacuum distillation is useful for thermally unstable compound. False True

Q: Give one reason why we cannot reuse boiling chips?

A: Boiling chips are small, porous stones that are made of calcium carbonate or silicon carbide. It is…

Q: Which of the following statements about extractions and work ups is true

A:

Q: Which materials are needed to make a plastic bottle.

A: Polymers are macromolecules with high molecular weight formed by the combination of several…

Q: What made an ashless filter paper ashless?

A: Ashless filter paper is purely made up of cellulose.

Q: When using the centrifuge, what safety precautions should be followed?

A:

Q: HÖ-H ......- :O-Si- at adhesive IeF: CO

A: Adhesive forces are the attractive forces which occur between substance and its surface.  Cohesive…

Q: true or false A desirable solvent should be highly pure, commercially available, low viscosity and…

A: The given statement is " A desirable solvent should be highly pure, commercially available, low…

Q: The amount of water versus ethanol in each fraction can be determined by measuring the density of…

A: True.

Q: и. ени

A: We have to carry out the given synthesis.

Q: An aerosol can should be stored in a cool place to prevent deformation of the can or an explosion.

A: Ideal gas law states that the product of volume and pressure is equal to the product of moles,…

Q: create an anion flow chart without using heat

A: To create anion flow chart:

Q: Which parameters are considered when evaluating commercial importance of a natural fiber

A: Fiber is a natural or man-made material that is much longer than it is broad. Fibers are frequently…

Q: State the different between a dehydrating agent and a drying agent

A: Dehydration is a chemical process. It involves the erosion of water which is chemically associated…

Q: The purpose of fluting filter paper.

A: fluting filter paper when performing a gravity filtration it means folding a filter paper to give a…

Q: wet gum and dry gum method, what apparatus is use to triturate the emulsifier, oil and water?   a…

A: An emulsion can be defined as a mixture of two or more than two liquids that are immiscible with…

Q: Sol Gel Aerosol Emulsion Foam Solid in Liquid Liquid in Gas Liquid in Solid

A: The mixtures given are,

Q: ermosetting polymer

A:

Q: Grandma’s Guide to Cooking Measurements Dried Seasonings   1 pinch = 2 smidgens 1 dash = 2…

A: Hence, there will be 8 pinches in the 1/2 teaspoon.

Q: ball & stick v- + labels

A: Given are the ball and stick structure. For IUPAC naming select the principle chain i.e longest…

Q: Fill in the following blanks that describe using sodium sulfate for a drying agent: Sodium sulfate…

A: Sodium sulphate like drying agent are used to remove water. They can absorb water from organic…

Q: Discuss why synthetic lubricants is preferred over petroleum-based fluids for specific applications.

A: Synthetic lubricants is made artificially and consists og Artificial chemical bonds.It is formed…

Q: Name the alkenes below.

A: First of all The ball stick model converted into the Line angle formula .

Q: how solid and liquid chemicals should be handled?

A: How to handle solid and liquids chemical discription is given below.

Q: What makes pyrex glass heat resistant?

A: Pyrex glass: It is the type of glass that is manufactured using sand, silica, and boric oxide by…

Q: Fiber are characterized using a broad range of properties related to their serviceability. Select…

A: Polymers are the big molecules formed by the combination of one or more repeating unit called…

Q: Write the Quality Control Process For the Chemical (Exfoliant) ? Please answer at your own words.

A: Quality process for the exfoliant is given below.

Q: Stable uhuchere

A: A 3D molecule can be represented in a plane of paper and it can be represented in different ways 1)…

Q: Tadpole Mold Trout Bear Cattails

A:

Q: What type of elution uses different proportions of solvent during separation process?

A: Elution is a process of separating one from a mixture by using eluent or solvent. By solvent…

Q: sphate crystals

A: A) Firstly calculate the mmoles of the HNO33 in the Solution.  mmoles of the HNO3 = Molarity •…

Q: What is the purpose of using cold solvent when washing your crystals after filtration

A: Interpretation- To explain the purpose of using cold solvent when washing your crystals after…

Q: Predict the products

A: Alkenes on reaction with Cl2/CCl4 undergo anti addition reaction to give the corresponding vicinal…

Q: HNO Select Draw Rings More Erase N H.

A:

Q: lubricants.

A: In this question we have to explain the advantages of both oils and greases as lubricants along with…

Q: Watchglass Bent glass hook Arrangement for the drying of samples. It shows the recommended way to…

A: false, as the reagent is not covered the lid of the bottle as well as the beaker beak is open…

Q: Highest Baling Point ?

A: The temperature at which the vapor pressure of a liquid becomes equal to the atmospheric pressure is…

Q: maintain the dryness

A: In this question we have to explain that why is there a need to maintain the dryness of the…

Q: heat stability of oil in cold water fish and warm water fish?

A: The temperature of the fish mainly depends upon the temperature of the water in which it lives…

Q: What are the available brands of chemical exfoliators? please write at your own easy words.

A: ✓Chemical exfoliation is the use of chemicals to get rid of dead skin cells ✓Chemical exfoliants are…

Q: The rotovap works to efficiently evaporate solvents by

A: Rotovap can work to efficiently to evaporate solvents by  1. Reducing the pressure to lower the…

Q: What information would you need in order to predict the best solvent for glue ?

A:

Q: What is the purpose of the chemical fume hood? O storage for glassware O provide a safe place to…

A: A chemical fume hood is a type of local ventilation device, that remove hazardous chemical fumes and…

Q: Name the alkene below

A: 1. Select the principle carbon chain 2. Numbering as per the lowest locant rule3. Naming (prefix +…