L.P.M. Public School PGT Chemistry Interview Questions and Answers

Q1. I gave demo on salt hydrolysis topic from ionic equilibrium.
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Q2. Please explain which among the following will give complete hydrolysis, partial hydrolysis and no hydrolysis and also explain the reason for that. Chloride, cyanide and hydride
Ans. 
Chloride undergoes complete hydrolysis, cyanide undergoes partial hydrolysis, and hydride undergoes no hydrolysis.
• Chloride undergoes complete hydrolysis because it forms HCl in water.

• Cyanide undergoes partial hydrolysis because it forms HCN in water.

• Hydride undergoes no hydrolysis because it does not react with water.
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Q1. Very detailed subject interview was taken by the HOD and 2 other experienced faculty to check the subject knowledge
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Overall syallabus MCQ type questions were asked

Overall syallabus questions were asked by te panel teachers

Q1. Negotiation and salary and dress code related issues
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Computer skills test

Normal interview questions intro , then subject specific

Q1. What is the difference between galvanic cell and electrolytic cell?
Ans. 
Galvanic cells convert chemical energy into electrical energy, while electrolytic cells convert electrical energy into chemical energy.
• Galvanic cells are spontaneous and produce electrical energy through a redox reaction

• Electrolytic cells are non-spontaneous and require an external source of electrical energy to drive a non-spontaneous redox reaction

• Galvanic cells have a positive cell potential, while electrolytic cell...read more
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Q2. What is mole concept?
Ans. 
Mole concept is a fundamental concept in chemistry that relates the mass of a substance to the number of particles it contains.
• Mole is a unit of measurement used to express the amount of a substance.

• One mole of a substance contains Avogadro's number of particles (6.02 x 10^23).

• Molar mass is the mass of one mole of a substance.

• Mole concept is used in stoichiometry to calculate the amount of reactants and products in a c...read more
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Q3. Give the symbol of mercury
Ans. 
The symbol of mercury is Hg.
• Hg is derived from the Latin word hydrargyrum which means liquid silver.

• It is a heavy, silvery-white metal that is liquid at room temperature.

• Mercury is commonly used in thermometers, barometers, and fluorescent lights.
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Q1. Teach displacement reaction on blackboard
Ans. 
Displacement reaction involves the replacement of an element in a compound by another element.
• A more reactive element displaces a less reactive element from its compound.

• The displaced element forms a new compound with the displacing element.

• The reaction can be represented by a chemical equation.

• Example: Zn + CuSO4 -> Cu + ZnSO4

• In this reaction, zinc displaces copper from copper sulfate to form zinc sulfate and copper.
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Test paper to measure proficiency of teacher in his subject

Chemistry questions based on 11th - 12th syllabus were asked.

In this round, we had to prepare a demonstration video of any topic from 11th - 12th.

Q1. Based on the demonstration topic, the subject matter expert asked us questions.
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Q1. Basic HR questions like tell us about yourself, why do you want to join, will you relocate etc.
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Q1. Why did you prefer KVS than DAV schools?
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Q2. How do you motivate students for improving Science application part?
Ans. 
Motivating students for improving Science application involves creating a stimulating learning environment and providing real-world examples.
• Create a stimulating learning environment by incorporating hands-on experiments and interactive activities.

• Provide real-world examples to demonstrate the practical applications of scientific concepts.

• Encourage students to ask questions and explore their own interests within the su...read more
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Q3. Which teaching methodology improvise in classroom for quick revision?
Ans. 
The teaching methodology that can be used for quick revision in the classroom is the use of mnemonic devices.
• Mnemonic devices help students remember information by associating it with familiar and easy-to-remember cues.

• They can be in the form of acronyms, rhymes, songs, or visual aids.

• For example, to remember the order of operations in mathematics (PEMDAS), students can use the mnemonic 'Please Excuse My Dear Aunt Sall...read more
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Q4. Do you think Chemistry practicals more important from 6th class on wards?
Ans. 
Yes, Chemistry practicals are important from 6th class onwards.
• Chemistry practicals help students understand concepts through hands-on experiments.

• Practicals enhance critical thinking and problem-solving skills.

• They provide a practical application of theoretical knowledge.

• Practicals develop laboratory skills and techniques.

• They promote teamwork and collaboration.

• Practicals make learning enjoyable and memorable.

• Examples...read more
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