What happen to the glowing wood splint when it is inserted inside the test tube?

Q: In a warm environment, which restorative wax is recommended for surface restoration? a. opaque b.…

A: In a warm environment, which restorative wax is recommended for surface restoration?

Q: What is a rotameter? An orifice meter?

A: Rotameter - It is a form of variable area flow meter, used to measure the volumetric flow rate of…

Q: The process by which new fibers for filaments are produced from textile waste is called ? A. fiber…

A: Answer  Textile waste products are collected from different…

Q: Hanging spoon challenge. How can you demonstrate H-bonding by using a dry tissue, spoon, your breath…

A: Hydrogen bonding is a special type of intermolecular force that occurs between molecules that have a…

Q: Briefly explain what you should do before you dispose of waste or excess materials.

A:

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: what glassware and quipment is being used in this photo of lab equipment?

A: In the picture given in the question, the process of distillation is being carried out. If we have a…

Q: What substance is obtained when the following separation method has been applied? Magnetic…

A: Separation is a method in which a mixture containing two or more components is separated into the…

Q: List 3 methods of sampling used in surface characterization techniques?

A: The surface characterization technique is an important means to quantify surfaces under…

Q: How is recrystallization of an impure solid accomplished?

A: Recrystallization is a technique used for the purification of a solid from impurities.

Q: Which kinds of additive should be used to decrease the rigidity of PS? a. A lubricant b. A…

A: Here the key point is to check the low molecular weight polymer.  The polymer which is having low…

Q: What are the alternatives to single-use plastics? Consider their viability from both an economic and…

A: Plastic are involved in our daily life. From use and throw to heavier uses.

Q: 7. Describe two ways to fold a filter paper to be used for filtration. Include diagrams for the…

A:

Q: What are the two most common types of secondarystructure?

A: The most common types of secondary structures are the α helix and the β pleated sheet.

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: Comparision between HF-LPME and VLLME

A: Two methods based on hollow fiber liquid phase microextraction (HF-LPME) and dispersive…

Q: etching

A: Etching is the process of creating designs on the unprotected part of the metal using strong acids.…

Q: How does bleach works in cleaning stains in floor?

A: Bleach is a chemical which is used to remove stain or colour from the surface of…

Q: What is the best way to differentiate between Cohesion and Adhesion?

A: When to different type of molecules attract each other then it is known as adhesion. Whereas the…

Q: Properties of slurries in copper cmp?

A: Solution- Definition- What is copper CMP-Cu CMP (copper chemical mechanical polishing) is a crucial…

Q: Defined the proper use of the following laboratory glassware: 1. Pipette 2. Volumetric flask 3.…

A: 1. Pipette: A pipette, also known as a chemical dropper. It is a glass or plastic tube used to…

Q: What are the ideal factors to consider for ranking these glove materials for toluene exposure

A: Glove selection chart provides advantage and disadvantages of a specific gloves to protect from the…

Q: What is a lab report

A: A lab report is about how you explain what you did in ​your laboratory experiment, what you learned,…

Q: Discuss extraction process using soxhlet apparatus.

A: The solid-liquid extraction is done by the sohxlet extractor. The main purpose of this extractor is…

Q: How are the photograph prints identified?

A: The process by which an image captured using a camera is visually produced on paper is called…

Q: Precautions for filter paper

A: Filter paper: It is a paper that acts as a semi-permeable barrier for the mixture of solid and…

Q: Write down the basic uses of chemical exfoliators? Please write at your own easy words.

A: Exfoliation is a process of removing the dead skin cells from the outer layer of the skin.  There…

Q: Chemistry What are the major differences between GC and HPLC, discuss the types of samples among…

A:

Q: True or False: Color tests are used to identify drugs conclusively. ___________

A: The given statement has to be predicted as true (or) false.

Q: If you are fermenting grape juice to make wine this is a [Select] process. If you are fermenting…

A: Fermentation is the process by which grape “must” (a fancy winemaking term for unfermented grapes or…

Q: Chelating agent used to inhibit or prevents the development of dental cavities True False

A: in dentistry, chelating agents like EDTA bind with calcium ion by releasing its hydrogen ion and…

Q: how solid and liquid chemicals should be handled?

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

Q: Question 29) is the attached correct?

A: TLC is the method to differentiate components in a compound.

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: Which of these statements is not true for levigation?

A: Option d is the answer

Q: method to analyze polythene polymer material

A: Solution - The major techniques for the determination of chemical composition and molecular topology…

Q: Creat five different polymers from ethylene glycol and any others chemicals you needed.

A:

Q: 1.To allow the separation of solids from liquids with heating , the best apparatus is: Select one…

A: There are several apparatus and storage materials are used in a chemistry laboratory to conduct…