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Pragati Classes Chemistry Faculty Interview Questions, Process, and Tips
Pragati Classes Chemistry Faculty Interview Experiences
1 interview found
Interview Questionnaire
4 Questions
- Q1. What is the difference between molarity & molality? And also explain which one extensive or intensive properties.
- Ans.
Molarity is the concentration of a solution in terms of moles of solute per liter of solution, while molality is the concentration of a solution in terms of moles of solute per kilogram of solvent.
Molarity is an extensive property, while molality is an intensive property.
Molarity changes with temperature and pressure, while molality remains constant.
Molality is preferred in calculations involving colligative properties...
- Q2. What is difference between vapour pressure and partial pressure.
- Ans.
Vapour pressure is the pressure exerted by a vapour in equilibrium with its liquid or solid form, while partial pressure is the pressure exerted by a single gas in a mixture.
Vapour pressure is specific to a substance, while partial pressure is a property of a gas in a mixture.
Vapour pressure is dependent on temperature, while partial pressure is dependent on the concentration of the gas in the mixture.
In a mixture of g...
- Q3. Tell me about the Arrhenius equation.
- Ans.
The Arrhenius equation describes the relationship between the rate constant of a chemical reaction and temperature.
The equation is given as k = Ae^(-Ea/RT), where k is the rate constant, A is the pre-exponential factor, Ea is the activation energy, R is the gas constant, and T is the temperature.
The Arrhenius equation helps to explain the effect of temperature on reaction rates.
Higher temperatures generally lead to hig...
- Q4. Explain about the difference between entropy and enthalpy?
- Ans.
Entropy is the measure of disorder or randomness in a system, while enthalpy is the measure of heat energy in a system.
Entropy is a state function, while enthalpy is a path function.
Entropy increases with an increase in disorder, while enthalpy increases with an increase in heat energy.
Entropy is represented by the symbol S, while enthalpy is represented by the symbol H.
Entropy is measured in joules per kelvin (J/K), w...
Interview Preparation Tips
Interview questions from similar companies
Afridi Rahaman
I applied via Company Website and was interviewed in Dec 2023. There was 1 interview round.
(8 Questions)
- Q1. Introduce yourself?
- Q2. Why do you want to join Byjus?
- Q3. Perform a demo about acid bases and salts
- Ans.
A demo about acid bases and salts
Demonstrate the reaction between an acid and a base to form a salt
Use indicators to show the change in pH during the reaction
Explain the concept of neutralization and the formation of water as a byproduct
Discuss the properties of acids, bases, and salts
Show examples of common acids, bases, and salts
- Q4. What is salt and give examples
- Ans.
Salt is a compound formed by the reaction of an acid with a base. It consists of positive and negative ions and is commonly used for seasoning and preserving food.
Salt is composed of positive ions (cations) and negative ions (anions)
Common examples of salt include sodium chloride (table salt), potassium chloride, and calcium chloride
Salt is formed through the reaction of an acid with a base, resulting in the neutraliza...
- Q5. If we react iodine with alcohol what is the byproduct
- Ans.
The byproduct of reacting iodine with alcohol is iodoalkane.
When iodine reacts with alcohol, it replaces the hydrogen atom in the alcohol molecule.
The resulting compound is called iodoalkane or alkyl iodide.
The reaction is an example of a substitution reaction.
For example, when iodine reacts with ethanol, the byproduct is ethyl iodide.
- Q6. Why we shouldn't keep mango pickle in aluminium foil
- Ans.
Aluminium reacts with the acidic content of mango pickle, leading to the formation of harmful compounds.
Aluminium reacts with the acidic content of mango pickle
This reaction can lead to the formation of harmful compounds
These compounds can contaminate the pickle and make it unsafe for consumption
- Q7. Ifan element x keep on period 14 what will be its structure
- Ans.
The structure of an element in period 14 depends on its atomic number and electron configuration.
Elements in period 14 can have various structures depending on their atomic number.
The structure can be determined by the electron configuration of the element.
For example, if element X has an atomic number of 57, its structure would be [Xe] 4f^14 5d^1 6s^2.
- Q8. Group 17 elements also known as what
- Ans.
Group 17 elements are also known as halogens.
Group 17 elements are highly reactive nonmetals.
They have 7 valence electrons and tend to gain 1 electron to achieve a stable octet.
Halogens include fluorine, chlorine, bromine, iodine, and astatine.
They are found in various compounds and play important roles in chemistry and biology.
Interview Preparation Tips
Selected
I applied via Company Website and was interviewed in Jul 2023. There were 3 interview rounds.
Aptitude test means its test for knowledge about mathematics and including test about reasoning, arthematics.
Group discussion means interviewers give one topic. And we are explain about that topic and discuss about advantages and dis advantages. That is called group discussion
Interview Preparation Tips
- Mathematics
- MS Office Tools
I applied via Company Website and was interviewed in Jun 2021. There was 1 interview round.
Interview Questionnaire
3 Questions
- Q1. My self introduction
- Q2. My studying
- Q3. Befenits Wipro which is choosing more than befinits and comfortable
Interview Preparation Tips
Selected
I applied via campus placement at Kavi Kulguru Institute of Technology & Science, Nagpur and was interviewed before Feb 2023. There were 2 interview rounds.
Topic- Is doing MBA from IIM necessary for starting business. It was general GD. They only check confidence and communication.
(1 Question)
- Q1. All question were subject based:- 1) what is Bohr Burry scheme 2) what is variable valency 3) what is voice box what is its scientific term 4) explain the different lattice structure.
Interview Preparation Tips
I applied via Newspaper Ad and was interviewed before Aug 2021. There were 2 interview rounds.
(1 Question)
- Q1. Upload demo . Questions from class 6- 12 cbse, state and icse syllabus
(1 Question)
- Q1. Questions will be based in class 6-12, state, cbse, icse syllabus.
Interview Preparation Tips
The demo should be in English. This will check your teaching abilty and the language knowledge
I applied via Company Website and was interviewed in Aug 2022. There were 3 interview rounds.
(1 Question)
- Q1. My topic of demo video is triangle
(3 Questions)
- Q1. First they ask me about yourself And then they tell me for demo class And last they ask me some question related to my subject
- Q2. Math questions up to class 10
- Q3. Topics- triangle, trigonometric,algebra, compounds interest , etc
Interview Preparation Tips
Faculty of Mathematics Interview Questions & Answers
BYJU'S
Neelu Kumari Singh
posted on 29 Oct 2022
I applied via campus placement at Shantilal Shah Engineering College, Bhavnagar and was interviewed in Apr 2022. There were 2 interview rounds.
They had given a topic related to global warming and we have to speak on it for atleast two minutes. As it was an online group discussion round so they had given everyone chance to speak one by one.
(4 Questions)
- Q1. They had asked me continuous questions of mathematics and i have to answer them by solving them on the screen/ white board. The questions were mostly from class 10th Mathematics .
- Q2. Questions were like a) What is the formula for finding coordinates for mid point of triangle. b) What is the method for finding Area of traingle? anad many more from class 10th topics.
- Q3. They had given me a question related to trigonometry and i have to solve that.
- Q4. Find the area of triangle in terms of some theta.
- Ans.
To find the area of a triangle in terms of theta, use the formula: (1/2)ab sin(theta)
Use the formula: (1/2)ab sin(theta)
a and b are the lengths of two sides of the triangle
theta is the angle between those two sides
Interview Preparation Tips
- NCERT Mathematics class 10th
- NCERT Maths Class 9th
Biswajit Ghosal
I applied via Company Website and was interviewed in Jan 2022. There were 4 interview rounds.
Demo video
(2 Questions)
- Q1. Live demo teaching will be there for 5 to 10 minutes.
- Q2. Basic information about you.
(1 Question)
- Q1. 10 to 15 questions from subject.
(4 Questions)
- Q1. What are your salary expectations?
- Q2. Share details of your previous job.
- Q3. Why should we hire you?
- Q4. Tell me about yourself.
Interview Preparation Tips
I applied via Walk-in and was interviewed in Apr 2022. There were 2 interview rounds.
Trigonometry Algebra geometry
Mathematics related questions
Interview Preparation Tips
- Any topic
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