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I appeared for an interview in May 2023.
The pH scale ranges from 0 to 14, with 7 being neutral, below 7 acidic, and above 7 alkaline.
pH scale ranges from 0 to 14
7 is considered neutral on the pH scale
Below 7 is acidic, above 7 is alkaline
Examples: Lemon juice has a pH of around 2, pure water has a pH of 7, and baking soda has a pH of around 9
ppm stands for parts per million, a unit of measurement used to express very small concentrations of substances in a mixture.
ppm is a unit of measurement used to represent the ratio of one part of a substance to one million parts of a mixture.
It is commonly used in fields such as chemistry, environmental science, and engineering to express very small concentrations of substances.
For example, if a water sample contains ...
Acids are substances that have a pH level lower than 7, taste sour, and can react with metals to produce hydrogen gas.
Acids have a pH level lower than 7
Acids taste sour
Acids can react with metals to produce hydrogen gas
I applied via Indeed and was interviewed in Dec 2022. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Dec 2023. There were 2 interview rounds.
Use SQL query to fetch maximum and minimum salary from emp table
Use SELECT MAX(salary) FROM emp to fetch maximum salary
Use SELECT MIN(salary) FROM emp to fetch minimum salary
Indexes and exceptions are used to optimize database performance and handle errors in code.
Indexes are used to quickly retrieve data from a database by creating a sorted list of values.
Exceptions are used to handle errors in code and prevent the program from crashing.
Examples: Creating indexes on frequently queried columns like 'id' or 'timestamp'. Using try-catch blocks to handle exceptions like divide by zero.
I applied via Naukri.com and was interviewed before Sep 2020. There was 1 interview round.
Test framework is a set of guidelines, coding standards, and best practices to create and execute automated tests.
Test framework provides a structure for organizing and executing automated tests.
It includes libraries, tools, and utilities to support test automation.
Test framework helps in reducing the time and effort required for testing.
Examples of test frameworks are Selenium, Appium, TestNG, JUnit, etc.
Agile process is an iterative approach to software development that emphasizes flexibility and customer satisfaction.
Agile process involves breaking down a project into small, manageable chunks called sprints.
Each sprint typically lasts 1-4 weeks and results in a working product increment.
Agile teams prioritize customer satisfaction and collaboration over strict adherence to a plan.
Agile process encourages continuous i...
I applied via Campus Placement and was interviewed before Apr 2023. There was 1 interview round.
I applied via Approached by Company and was interviewed in Jan 2022. There were 4 interview rounds.
I applied via Recruitment Consulltant and was interviewed before Jun 2021. There were 2 interview rounds.
I applied via Walk-in and was interviewed before Jan 2022. There were 2 interview rounds.
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