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I was interviewed in Oct 2022.
A buffer solution is a solution that resists changes in pH when small amounts of acid or base are added.
Buffer solutions are made up of a weak acid and its conjugate base or a weak base and its conjugate acid.
They are commonly used in chemical and biological experiments to maintain a stable pH.
Examples of buffer solutions include acetic acid/sodium acetate buffer and phosphate buffer.
Buffer capacity is the amount of ac...
HPLC principle is based on the separation of components in a mixture using high pressure to force the mixture through a column filled with a stationary phase.
HPLC stands for High Performance Liquid Chromatography
The stationary phase can be a solid or a liquid
The mobile phase is the liquid that carries the sample through the column
The separation is based on the differences in the components' interactions with the statio...
HPLC principle is based on the separation of components in a mixture using high pressure to force the mixture through a column filled with a stationary phase.
HPLC stands for High Performance Liquid Chromatography
It is a widely used analytical technique in chemistry and biochemistry
The principle involves the use of a mobile phase (solvent) and a stationary phase (solid or liquid)
The sample is injected into the mobile ph...
GC principal refers to the principle of gas chromatography, which involves separating and analyzing components of a mixture based on their affinity for a stationary phase and a mobile phase.
Gas chromatography (GC) is a technique used to separate and analyze volatile compounds in a mixture.
The principle of GC involves the use of a stationary phase (typically a solid or liquid) and a mobile phase (usually a gas) to separ...
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I was interviewed in Feb 2022.
Chemistry basic knowledge
I applied via Company Website and was interviewed in Dec 2021. There was 1 interview round.
I applied via Naukri.com and was interviewed before Feb 2021. There were 3 interview rounds.
pH indicators, name reactions, and acid-base differentiation are important topics in chemistry.
pH indicators are substances that change color depending on the pH of the solution they are in, such as litmus paper or phenolphthalein.
Name reactions are specific chemical reactions that have been named after their discoverers or developers, such as the Grignard reaction or the Friedel-Crafts reaction.
Acid-base differentiati...
I applied via campus placement at Jawaharlal Nehru Technological University (JNTU) and was interviewed before Mar 2020. There were 3 interview rounds.
pH is a measure of acidity or basicity of a solution. Normality, molarity, and molality are units of concentration.
pH is measured on a scale of 0-14, with 7 being neutral, below 7 acidic, and above 7 basic.
Normality is the number of equivalents of a solute per liter of solution.
Molarity is the number of moles of a solute per liter of solution.
Molality is the number of moles of a solute per kilogram of solvent.
Other bas...
I applied via Walk-in and was interviewed in Jul 2020. There was 1 interview round.
I applied via Phrmawisdom and was interviewed before Jan 2020. There were 3 interview rounds.
HPLC stands for High-Performance Liquid Chromatography, a technique used to separate, identify, and quantify components in a mixture.
HPLC is a widely used analytical technique in chemistry and biochemistry.
It involves the use of a liquid mobile phase and a stationary phase to separate and analyze components in a sample.
The separation is based on the differential interaction of the sample components with the stationary ...
I applied via Walk-in and was interviewed before Aug 2019. There was 1 interview round.
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