Ecotech Analyst Interview Questions and Answers

Q1. What is meant by titration? Explain the types
Ans. 
Titration is a laboratory technique used to determine the concentration of a substance in a solution.
• Titration involves adding a solution of known concentration to a solution of unknown concentration until a reaction is complete.

• Types of titration include acid-base titration, redox titration, and complexometric titration.

• In acid-base titration, an acid or base is titrated with a solution of the opposite type to determi...read more
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Q2. What is pH meter? how does it works?
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A pH meter is a scientific instrument used to measure the acidity or alkalinity of a solution.
• It measures the concentration of hydrogen ions in a solution.

• The pH meter consists of a pH probe and a meter that displays the pH value.

• The probe is inserted into the solution and measures the voltage difference between the solution and a reference electrode.

• The pH value is calculated based on the voltage difference.

• Examples o...read more
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Q3. What are the hazardous components or elements in food?
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Q4. What are the concentration conversions?
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Concentration conversions refer to the process of converting between different units of concentration, such as molarity, molality, and percent composition.
• Converting between molarity and molality involves taking into account the density of the solution.

• To convert from molarity to percent composition, you need to consider the molar mass of the solute.

• Concentration conversions are important in chemistry for accurately me
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Q1. What is the Expected salary?
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Q2. Are you willing to work in shifts?
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Q1. Oos,oot, Dissolution
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Q2. Principal of Hplc, Principal of Uv,Titration,ALCOA Principal
Ans. 
Principles of HPLC, UV, titration, and ALCOA.
• HPLC principle involves separation of components in a mixture using high pressure liquid chromatography.

• UV principle involves the measurement of the absorbance of light by a sample at a specific wavelength.

• Titration principle involves the determination of the concentration of a solution by reacting it with a standard solution of known concentration.

• ALCOA principle stands for...read more
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Q3. Dissolution criteria of S1, S2,S3
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Q1. All about current role
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Q1. Salary negotiation and Hr policy
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Q1. Explain transformer architecture
Ans. 
Transformer architecture is a neural network architecture used for natural language processing tasks.
• It was introduced in the paper 'Attention is All You Need' by Vaswani et al. in 2017

• It uses self-attention mechanism to process input sequences

• It consists of an encoder and a decoder, both of which are composed of multiple layers of self-attention and feedforward neural networks

• It has achieved state-of-the-art results i...read more
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Q2. Basic python data manipulation
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Q3. General interest in politics
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Q1. Oos,oot, Dissolution
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Q2. Principal of Hplc, Principal of Uv,Titration,ALCOA Principal
Ans. 
Principles of HPLC, UV, titration, and ALCOA.
• HPLC principle involves separation of components in a mixture using high pressure liquid chromatography.

• UV principle involves the measurement of the absorbance of light by a sample at a specific wavelength.

• Titration principle involves the determination of the concentration of a solution by reacting it with a standard solution of known concentration.

• ALCOA principle stands for...read more
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Q3. Dissolution criteria of S1, S2,S3
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3Capital issue in AP
AP politics

Q1. Salary Discussions I sent my payslips. Then they sent to me Offer letter
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Q2. In that Offer letter not good salary. Then was negotiated with hr. They increased some salary. Then they sent revised offer letter.
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