.Write any two safety measures he can follow while heating a solution in a test tube.

Q: Define Laboratory testing

A: The objective of the question is to define the term "Laboratory testing" which elaborates briefly…

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

A:

Q: 1. Based on the experiment above, what are the factors that affect the rate of chemical reactions?…

A: This experiment is based on the factors that affect the rate of chemical reaction.

Q: Which apparatus is shown here: Select one: test tube rack Funnel Beaker O Pipette chemical reagent…

A: The above diagram indicates the chemical apparatus which is used to place test tube.

Q: O a. Students cannot put a chemical directly on the balance pan. O b. Solid waste can be disposed in…

A: Solid waste can not be disposed in the sink because this could be a reason of water pollution. Some…

Q: There are no contaminants in Metal (Conductor).

A:

Q: Why laboratory safety important

A: Safety in the laboratory should be first priority It is because accident and injury can happen…

Q: What paint ingredients in the artwork we see in the film and how is the paint mixed  (tool?)?

A: All paints generally have four main ingredients -- pigments, binders, solvents (liquids) and…

Q: Define the process nomenclature.

A: INTRODUCTION: Particular term has been defined for choosing name of different compound in the field…

Q: Please I want you to write a sample on ‘results and discussion on the identification of laboratory…

A:

Q: What are the proper steps to use a mass balance?

A: Paper, Sheet or any sample container is used for the measuring the chemical sample.

Q: Most laboratory accidents could be prevented by adequate anticipation and proper laboratory…

A: First sentence : Most Laboratory accidents could be prevented by adequate anticipation and proper…

Q: is In the school laboratory, a usually used as fractionating column. The glass called as beads serve…

A: A fractional distillation is used to seperate volatile compounds having their similar boiling point,…

Q: Do you use the bulb to help dispense the liquid from the pipette? Why or why not?

A: A pipette is used to accurately dispense the exact amount of a small amount of liquid like 10.00 mL,…

Q: Lubricants are substances with high ____________ that reduce friction between working parts.

A: The substances which are used to reduce the friction between the moving surface is known as…

Q: What is catalytic Incinerator?

A: An incinerator is an important equipment of burning wastes. They are generally used to dangerous…

Q: how solid and liquid chemicals should be handled?

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

Q: Discuss different methods desorption techniques.

A: A question based on desorption technique, which is to be accomplished.

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: What hazards are involved in evaporating a solvent from a solution in a laboratory environment?

A: Solution is made up of two components: Solute and Solvent. Component which is present in major…

Q: Explain the importance of knowing laboratory safety rules, guidelines, and waste

A: Given : Laboratory safety rules, guidelines and waste  To find : Importance of Laboratory safety…

Q: Why is it important to know the use of laboratory tools and equipment?

A: Please find your solution below : It is important to know the use of laboratory tools and equipments…

Q: What is the role of collectors in Froth Floatation process?

A: Various processes are used for extraction of minerals. These minerals are very useful for…

Q: What is reflux and what is it used for?

A: In a chemical reaction when vapor produced under heating will get condense and return back to the…

Q: What substances did not pass through the filter paper?

A: The process of separation of a solid substance from the liquid is known as filtration. It can be…

Q: True/False Indicate whether the statement is true or false. Write T if the statement is true while F…

A: Buret is apparatus which is used for dispensing the solution used in titration.

Q: Illustrate a good chemical laboratory design and include the safety features.

A: A good chemical laboratory design contains a wide space for the movement and for the flow of…

Q: What is an analytical balance?

A:

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: True or False: The accuracy of a buret is to 0.05 mL.   True or False: Burets are stored with…

A: Given: Some statements are given . To find: wether the given statements are true or false. Solution:…

Q: Which construction would you never use in the laboratory? (A) (B) (C) (D) (E) Construction D…

A: Different types of equipments are used in the laboratory such as beaker, flask, pipette, burette,…

Q: 2. There is a need to make many 10mm holes in a rubber hose. It is not hard to punch or drill holes…

A:

Q: B. Surface Area 1. Weigh a small iron nail to the nearest hundredths of a gram and weigh an equal…

A:

Q: what are the differences and similarities of "The Chemical Professional's Code of Conduct" with Good…

A: The Chemical professional code of conduct is established to maintain the scientific integrity and…

Q: What should we use d) To hold a very hot crucible: _________________ e) To hold test tubes so that…

A: (d) Crucible is an apparatus used to heat Chemical materials over burner or inside of over , where…

Q: State the three causes of equipment not working in the laboratories

A: There can be various causes of equipment not working in the laboratories

Q: The hole concentration?

A: Calculate the donor and acceptor concentrations in the semiconductor. The concentration of the…

Q: What is the importance of Laboratory Safety?

A: Laboratory Safety - It is always important to maintain safety in every aspect of life. As health is…

Q: 5. Two students attempt to etch their initials on a gold plate using hydrochloric acid. 6. A student…

A: By calculating the cell potential we can determine the reaction spontaneity.

Q: a. Safety glasses should be worn in a laboratory at all times to decrease the likelihood of eye…

A: Here given all statement We  conclude that

Q: What are the areas of improvement for simple distillation and refluxing?

A: A question about method of purification, which is to be accomplished.

Q: Write a descriptive introduction about Decantation is a scientific process using gravity and…

A: Decantation is a process used to separate a precipitate from a solution.

Q: Chemistry Draw the reflux and successive filtration equipment. Identify each piece of equipment.

A: