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

Q: In thermal analysis methods. Is the thermocouple for measuring sample temperature immersed directly…

A:

Q: When heating a test tube: It can sit directly on the countertop to cool Never look directly into…

A: When heating the test tube we should have to take certain care , so there should be no damage in lab…

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: definition of plastic and source and usage of plastic

A: Hydrocarbons: Polymers are essentially molecules that exist as very long chains. Most polymers are…

Q: When using a TD pipet, one should not O blow or shake out the remaining liquid O place the meniscus…

A: Given that : We have to identify that while using TD pipet one should not :

Q: order these with rising density glass liquid  gas crystal plasma

A: Density order is Solid >crystal > liquid >gases >plasma .

Q: cific method for t

A: The process of printing technique where mesh used to transfer dye into substrate called screen or…

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

A:

Q: Many reflux procedures involve a required length of time for the reflux to occur. When should you…

A: The time period should begin when the solution is not just boiling but actively refluxing in the…

Q: Give an example for the a β-diester

A: Given compound,           β-diester

Q: What is the best type of stirring device to use for stirring a reaction that takesplace in the…

A: Using basic concepts handling of instruments of laboratories.

Q: Lab Safety When heating a test tube, O Always point the test tube away from you and others O Always…

A:

Q: O(e) The stopper will leak since it is not long enough.

A:

Q: Why is important to add a spin bar, spin vane or boiling stones to a mixture to be heated? These…

A: Bumping of solution result in loss of solution.

Q: Distillation set up: if water doesn't enter from the bottom of the outer glass jacket distillations…

A:

Q: List some improvement about plastic bottle.

A: 1. Plastic bottles can be recycled and used to make clothes, carpets , toys and packaging materials.…

Q: This lumber can be used as vertical studs, which are typically placed 16.0 in. apart. What is that…

A: Given : Distance in inches = 16.0 inches

Q: Which substance will evaporate faster when rubbed?

A: Answer The substances are acetone and alcohol.and rubbing the both,…

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

A: The mixtures given are,

Q: EADING?

A:

Q: In the Energy and Specific Heat lab, how should the water bath be stabilized over the heat source?…

A: The iron ring or iron clamp is a type of laboratory equipment which comprises a conjoined metal ring…

Q: A) Compare the Thermoplastic & thermosetting plastics.

A:

Q: Filter paper can be added to the developing chamber to help saturate the chamber with solvent vapor.…

A: Answer: True Thin-layer chromatography is a technique for separating a sample into its component…

Q: You want to place a piece of glass tubing into a rubber stopper after the tubing has been fire…

A: We can place a piece of flying glass on a rubber stopper after the tube has cooled and cooled.…

Q: how solid and liquid chemicals should be handled?

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

Q: Please help filling out

A: NaCl   Type = Salt   Central atom considered = No one ( because it is an ionic crystal, so central…

Q: Many reflux procedures involve a required length of time for the reflux to occur. When should you…

A: Given: Many reflux procedures involve a required length of time for the reflux to occur.

Q: Why is it important to condition a pipet before use?

A: The important condition to use pipet for experiment is to rinse it thoroughly with a solution to get…

Q: How does the ramp rate affect the actual AND observed melting point?

A: Thermal rate effect the actual melting point of subtance, higher the ramp rate higher the observed…

Q: Closed-end and open-end manometers are shown. The change in height value corresponds to the…

A: Manometers are used for measure pressure of gas in closed container. There are two types of…

Q: Are there any alternatives for a rotary evaporator?

A: Rotary evaporator is an equipment used in chemical laboratories to separate the solvents and the…

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…

Q: If you squeeze the test tube tongs, the test tube will face extra pressure during an ongoing…

A: A question based on general chemistry that is to be accomplished.

Q: what does chemical weathering not use?

A: Chemical weathering  is caused by rain water reacting with the mineral grains  in rocks to form new…

Q: how temporary hardness of water can be removed?

A: Hardness in water is due to the presence of concentration of magnesium and calcium…

Q: Question List (5 images) (Drag and drop into the appropriate area) HO. Br

A: In this question, we will arranged all the acids from least acidic ( least acidic first denoted by 1…

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: Sample process flow showing production of ethanol from molasses

A: production of ethanol from molasses. Sugarcane molasses is a by-product of sugarcane products that…

Q: Why plasticizers are added during the moulding of plastics ?

A: Plasticisers are added during moulding of plastics. Reason  Plasticisers are low volatility liquid…

Q: When I set the pressure regulator on the nitrogen, what do I set it to so we can leak check?

A:

Q: Highest Baling Point ?

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

Q: Briefly describe how you should protect your hands while you are inserting glass tubing into a…

A: While inserting glass tubing into a stopper, there are always some chances of cuts. But, attention…

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: * :Cone crusher is similar to jaw crushers gyratory crusher none of the above hammer mill

A: A crushing is a process which is generally used to minimize the size of any material. The type of…

Q: Prepare a report explaination on Bending Test - Compression Test

A: What is a Compression Test? compression test is any test in which a material experiences opposing…

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…