Solara Active Pharma Sciences R&D Trainee Interview Questions and Answers

Q1. Tablet coating disintegration Time
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Q2. Blood composition in body
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Q3. How many tablets in solid form
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Q4. Dissolution time for enteric coated tablet
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Q5. What is action of drug?what can I say.
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Q1. What is weak acid ?
Ans. 
A weak acid is an acid that only partially dissociates in water, resulting in a lower concentration of hydrogen ions.
• Weak acids have a pH value greater than 3.5

• They have a lower degree of ionization compared to strong acids

• Examples of weak acids include acetic acid (vinegar), citric acid (lemons), and carbonic acid (soda)
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Q2. What is strong acid?
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A strong acid is a chemical compound that completely dissociates in water to produce hydrogen ions.
• Strong acids have a pH less than 3

• They are highly reactive and corrosive

• Examples include hydrochloric acid, sulfuric acid, and nitric acid
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Q1. What is reaction and mechanisms of beackmann reaction ?
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The Beckmann reaction is a chemical reaction that involves the conversion of an oxime into an amide.
• The reaction is typically carried out using acid catalysts, such as sulfuric acid or hydrochloric acid.

• The reaction proceeds through a rearrangement of the oxime to form an isocyanate intermediate, which then reacts with water to form the amide.

• The Beckmann reaction is commonly used in the synthesis of pharmaceuticals an...read more
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Q2. What is pinacol - pinacolon reaction ?
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Pinacol-pinacolon reaction is a type of organic reaction that involves the conversion of a pinacol to a pinacolone.
• In this reaction, a carbon-carbon bond is broken and a new carbonyl group is formed.

• The reaction is catalyzed by an acid catalyst such as sulfuric acid or hydrochloric acid.

• The reaction mechanism involves the formation of a carbocation intermediate.

• The pinacol-pinacolon reaction is an important reaction in...read more
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Q3. What is Oxidation reaction ?
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Oxidation reaction is a chemical reaction that involves the loss of electrons by a substance.
• It is a process in which a substance combines with oxygen or loses hydrogen.

• It results in an increase in the oxidation state of the substance.

• Examples include rusting of iron, combustion of fuels, and metabolism of food in the body.

• It is the opposite of reduction reaction.

• It is important in various fields such as chemistry, bio
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All question base on the technical ....

Q1. Tell me about your self
Ans. My name is ×××.i was complete b.sc in this college with specialization chemistry. I have currently pursuing m.sc degree with specialition chemistry.
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Q2. What is your weekness
Ans. Sir my weekness is i am straight forward....
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Q1. What are your salary expectations?
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Q2. I am fresher so learing is my main purpose
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Q1. How many parameters of HPLC Calibration ?
Ans. 
There are several parameters for HPLC calibration.
• The parameters include accuracy, precision, linearity, range, limit of detection, and limit of quantification.

• Accuracy refers to how close the measured value is to the true value.

• Precision refers to the reproducibility of results.

• Linearity refers to the ability of the method to produce results that are proportional to the concentration of the analyte.

• Range refers to the...read more
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Q2. What are the calibration parameters of UV Vis Spectrophometer?
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Calibration parameters of UV Vis Spectrophotometer
• Calibration parameters include wavelength accuracy, photometric accuracy, stray light, resolution, and noise.

• Wavelength accuracy is checked using holmium oxide or didymium glass filters.

• Photometric accuracy is checked using neutral density filters.

• Stray light is checked using potassium dichromate or sodium iodide solutions.

• Resolution is checked using holmium oxide or to...read more
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Q3. What is difference between weight of two samples after ignition of ROI?
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Weight difference of two samples after ignition of ROI
• ROI stands for Residue on Ignition

• The weight difference is due to the loss of volatile substances during ignition

• The weight loss can be used to calculate the percentage of volatile substances in the sample

• This technique is commonly used in pharmaceutical and food industries
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Q4. What is IR region range?
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The IR region range refers to the range of wavelengths in the infrared region of the electromagnetic spectrum.
• The IR region range typically spans from approximately 700 nanometers to 1 millimeter.

• It is divided into three main regions: near-infrared (NIR), mid-infrared (MIR), and far-infrared (FIR).

• Each region has different applications and characteristics. For example, NIR is commonly used in remote controls and optica...read more
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Q5. What is the UV range?
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UV range refers to the range of ultraviolet radiation wavelengths.
• UV range is typically divided into three categories: UVA (320-400 nm), UVB (280-320 nm), and UVC (100-280 nm).

• UVA is responsible for skin aging and wrinkling, while UVB causes sunburn and skin cancer.

• UVC is absorbed by the ozone layer and does not reach the Earth's surface.

• UV radiation can also be used for disinfection and sterilization purposes.

• UV range...read more
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Q1. What are your strengths and weaknesses?
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Q2. What are your salary expectations?
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Q3. What is your family background?
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Q4. Tell me about yourself.
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