5. Briefly discuss the effect of alkalinity on flocculation.

Q: What is hydrometallurgy? Give one example where it is used for metal extraction.

A: The definition of hydrometallurgy with an example has to be discussed,

Q: What is the process used to instrumentation in voltametry and its application

A: Voltammetry is the measurement of current under the application of potential which employ 3…

Q: In order to plate a steel part having a surface area of 0.13 m2 with a 0.05 mm thick layer of…

A:

Q: Although there are energetically advantages in recycling aluminum Discuss the belief that secondary…

A: Answer is given below

Q: What is the difference between Lime scrubbing and limestone scrubbing?

A: The lime or limestone scrubbing process is the most common method for the reduction of the SO2…

Q: What are the benefits of the process of Gas reburning ?

A: ANSWERE IS GIVEN BELOW :

Q: Describe two types of asbestos and the health controversy over asbestos.

A: Given problem is about asbestos and in this we have to describe the type of asbestos and the health…

Q: What property of steel is being enhanced in adding silicon?

A: What property of steel is being enhanced in adding silicon?

Q: Write a brief summary of why the dissolved aluminum foil is filtered prior to adding sulfuric acid.

A: Aluminum foil is filtered before the addition of sulphuric acid. This process takes place during the…

Q: Question 36 What is the purpose of phosphate during the automotive painting preparatory steps?…

A:

Q: If 45 mL of 3.0 M KOH was added to 2.55 g of aluminum foil, what would you observe in the reaction?

A: Given: 45 mL of 3.0 M KOH 2.55 g of aluminum foil

Q: Describe how liquid hourglass works step by step.

A: Answer -  Liquid hourglass - Principal -  Liquid Hourglass, a device for measuring time. In its…

Q: What is the importance of activated carbon in adsorption?

A: Adsorption is the adhesion of atoms, ions or molecules from a gas, liquid or dissolved solid to a…

Q: ow many coulombs required to obtain 54 gm of silver metal from its     Solution?

A:

Q: What are some advantages and disadvantages of vitreous silica and soda-lime glass?

A: Vitreous silica is made from silica which is converted to glass. Soda lime in addition of silica…

Q: What are the main factors that determine the electrical resistance of a formation?

A: Solution:  The main factors which determine the electrical resistance of formation are mentioned…

Q: Why does the glasswares need to be rinsed with 0.1 M HNO3 prior to use?

A: Analytical chemistry is branch of chemistry that refers  to technique for the detection,…

Q: List the defects that make glassware unusable

A:

Q: Explain why should acetylene gas cylinders used for gas welding be erected in upright position?

A: Natural gas is primarily derived from deep underground petroleum deposits. Since gases are lighter…

Q: Name some solids that are effective as adsorbents.

A: Adsorption is a surface phenomenon. The term adsorption is defined as the process in which the…

Q: List 3 possible uses of carbon nanotubes. What is one drawback to the use of nanotubes.

A: This question is related to topic of nanotubes.

Q: Discuss the preparation, properties and uses of (a) Celluloid

A: Celluloid is made from a mixture of chemicals such as nitrocellulose, camphor, alcohol, as well as…

Q: Describe how you will prepare 1L of 150.0ppm of Cu2+ using Cu metal

A: The 1.0 ppm is equal to 1 mg of Cu2+ ion in 1.0 L of the solution thus,

Q: What are the materials that can be used for dry sorption of CO2?

A: Adsorption: It is the process of absorbing certain species or molecules at the topmost layer of the…

Q: Name the purification methods of cobalt(II) sulphate (CoSO4.7H2O).

A: The chemicals used for various purposes should be completely free from any type of impurities.…

Q: Why are metallized films a cheaper alternative to foil?

A:

Q: Which is superior in strength Metal or Plastic?

A: Metal is always super to plastic in case of tensile strength.  The reason for this strength in metal…

Q: Impurities of copper, bismuth, lead in the silver nitrate drug are determined with one reagent? A)…

A: Impurities containing heavy metal such as bismuth, lead and copper in the silver nitrate drug can be…

Q: Which refluxing apparatus is set up to keep moisture out? < OC OB and C OA O B T none

A: If we have to keep the moisture out of the reaction, we must use a drying tube and the inlet adapter…

Q: Why copper is used to make hot water tanks and not steel?

A: This is because steel contains iron which reacts with steam and form iron oxide.

Q: Does a penny and calcite have the same hardness ?

A: Calcite and penny both have a hardness of 3.

Q: How many milligrams of a preservative are needed 4 fl.oz of a solution containing 0.12%(w/v) of that…

A: given, the volume of solution = 4 fl.oz %(w/v) = 0.12%

Q: Write any four applications of Aluminum Alloys

A: Alloy :  Homogeneous mixture of a metal with other metals is called as an alloy. Some common…

Q: Name two compounds used as adsorbent for controlling humidity.

A: Adsorbent is the surface on which the particles are adsorbed on the surface and energy is released.…

Q: What are the distinguishing features of gas and vapor poisoning compared with other types of…

A: A question based on catalysis that is to be accomplished.

Q: why is it that glass fibers of different lengths have different strengths

A: Glass fibre is material  consisting of number of fibres  of glass

Q: What is the disadvantage of soda-lime glass?

A: Given: To explain the disadvantage of soda-lime glass

Q: How can we convert glass into quartz?

A: Glass is an amorphous in nature while quartz is crystalline.Quartz can be converted into glass by…