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pH is a measure of acidity or alkalinity of a solution, ranging from 0 to 14.
pH stands for 'potential of Hydrogen'
It is a logarithmic scale, with 7 being neutral, below 7 acidic, and above 7 alkaline
Examples: Lemon juice has a pH of around 2, pure water is around 7, and baking soda is around 9
Acids have a pH below 7 due to the presence of excess hydrogen ions.
Acids release hydrogen ions (H+) in water, lowering the pH below 7.
The pH scale ranges from 0 to 14, with 7 being neutral, below 7 acidic, and above 7 basic.
Examples of acidic substances include lemon juice (pH 2), vinegar (pH 3), and battery acid (pH 1).
A buffer is a temporary storage area that holds data before it is processed or transferred.
Types of buffers include input buffer, output buffer, circular buffer, and FIFO buffer.
Buffers help in managing data flow between different components in a system.
Examples of buffers include keyboard buffer, printer buffer, and network buffer.
Titration is a technique used to determine the concentration of a substance in a solution by reacting it with a known concentration of another substance.
Titration involves slowly adding a solution of known concentration (titrant) to a solution of unknown concentration until the reaction reaches its endpoint.
The endpoint is usually indicated by a color change or other observable change, such as a sudden pH shift.
Common ...
Different types of titration include acid-base titration, redox titration, complexometric titration, and precipitation titration.
Acid-base titration involves the neutralization of an acid with a base or vice versa.
Redox titration involves a redox reaction between the analyte and titrant.
Complexometric titration involves the formation of a complex between the analyte and titrant.
Precipitation titration involves the form...
I applied via campus placement at College of Engineering ( Formerly Pune Instiute of Enginering and Technology ), Pune and was interviewed before Jan 2024. There was 1 interview round.
Plating and coating processes involve applying a layer of material onto a surface for various purposes.
Electroplating: uses electrical current to deposit a thin layer of metal onto a conductive object (e.g. chrome plating on car parts)
Anodizing: creates a protective oxide layer on metals through an electrolytic process (e.g. anodized aluminum for increased corrosion resistance)
Powder coating: electrostatically applies ...
Various types of defects in plating include blistering, peeling, pitting, and staining.
Blistering: formation of bubbles on the plated surface due to trapped gases or impurities
Peeling: detachment of the plated layer from the substrate
Pitting: formation of small craters or pits on the plated surface
Staining: discoloration or uneven coloring of the plated surface
I applied via Walk-in and was interviewed before May 2022. There were 3 interview rounds.
Plating processes are used to coat a surface with a thin layer of metal to improve its properties.
Electroplating - uses an electric current to deposit metal ions onto a surface
Electroless plating - uses a chemical reaction to deposit metal onto a surface
Immersion plating - involves dipping a surface into a solution containing metal ions
Vacuum plating - uses a vacuum to deposit metal onto a surface
Selective plating - de...
Chrome plating is used to improve the appearance, durability, and corrosion resistance of metal surfaces.
Chrome plating provides a shiny and reflective surface finish.
It increases the hardness and wear resistance of the metal.
Chrome plating also protects against corrosion and oxidation.
It is commonly used on automotive parts, bathroom fixtures, and tools.
Chrome plating can also be used for decorative purposes on jewelr
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I was interviewed in Jan 2025.
I was interviewed in Feb 2025.
I was interviewed in Jan 2025.
The exam consists of seven sections, and the cutoff score is quite high; it is essential to complete the exam thoroughly.
I was interviewed in Feb 2025.
I was interviewed in Jan 2025.
I was interviewed in Sep 2024.
An aptitude test evaluates an individual's potential to excel in a specific area by assessing their strengths and weaknesses in particular abilities.
An assessment that measures an individual's inherent abilities and potential for success in a specific activity.
A coding test is a programming assessment designed to evaluate a candidate's coding skills. It is a standard component of the technical hiring process for software developers and programmers.
Assessment that evaluates a candidate's coding skills
Group discussion (GD) topics for interviews may cover areas such as business, social issues, and current affairs. GDs serve to evaluate a candidate's communication, leadership, and teamwork abilities.
Discussion assignments are prompts that your teacher may assign to you. By participating in these discussions, you can reflect on your learning, share ideas and opinions, or ask and answer questions. Discussions may require you to respond to individual questions or provide multiple responses to an ongoing conversation.
I was interviewed in Jan 2025.
A sequence was provided: 4181, 2684, 1597, 987, 610.
first 2 are given and write code for other value calculation using java 8
The second question required writing a reverse of a palindrome using both Java 8 streams. I was able to successfully write both and clear the first round.
Java 17 introduces sealed classes to restrict inheritance and improve code maintainability.
Sealed classes are declared using the 'sealed' keyword followed by the permitted subclasses.
Subclasses of a sealed class must be either final or sealed themselves.
Errors may occur when trying to extend a sealed class with a non-permitted subclass.
Implementation of 'notify me if item is back in stock' feature in an ecommerce application
Create a database table to store user notifications for out-of-stock items
Implement a service to check item availability and send notifications to subscribed users
Provide a user interface for users to subscribe to notifications for specific items
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Analytical Chemist
7
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Scientist
4
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| ₹10 L/yr - ₹15 L/yr |
Technical Support Engineer
4
salaries
| ₹5.5 L/yr - ₹7.5 L/yr |
Business Development Manager
4
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| ₹22 L/yr - ₹26 L/yr |
Technical Manager
4
salaries
| ₹11 L/yr - ₹15 L/yr |
Henkel Adhesives Technologies
BASF
AkzoNobel
PPG Asian Paints