Central Academy School PGT Chemistry Interview Questions and Answers

Q1. Expected salary and self intro
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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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Q1. Subject related
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Q2. Pedagogy question
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Q1. Do you have any experience of boarding school
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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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Written test for specific subject

Q1. With subject expert
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Q1. Demo session in specific topic
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Q1. With Principal & Advisors from HO
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Q1. With Chairperson
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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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