Engro fertilizer interview experience as a chemical plant operator

Explanation

There were 2 male interviewers and 1 female interviewer.

Interviewers: Zaheer Abbas, Raees Shahab, and Farhana Darr

First, the interviewers introduced themselves.

Questions Asked:

Q.1 Introduce yourself.
I introduced myself and then they asked about my education.
“You completed your F.Sc. in 2022. What have you been doing for the last two years?”

Q.2 What is your favorite subject?

Q.3 What do you know about the Periodic Table?
Then they asked questions about the Periodic Table for almost 10–12 minutes, including:

• How is the Periodic Table arranged?
• How many groups and periods are there?
• What is ionization energy?
• What changes occur when moving from top to bottom and left to right?
• What are transition metals?
• What are noble gases, and why are they called noble gases?
• What are halogens?
• What is the difference between alkali metals and alkaline earth metals?
• What is electron shielding?
• What is electronegativity?
• What is metallic character?

Q.4 I have two beakers. One contains an acid and the other contains a base. How would you identify them?
Possible methods discussed:

• Litmus paper test
• pH meter test
• Indicators
• Titration

Q.5 What is the difference between molecular weight and molecular mass?

Q.6 What is the difference between distance and displacement?
They also discussed examples.

Q.7 What is the difference between scalar and vector quantities? Name any four scalar quantities.

Q.8 What are the methods of heat transfer?

Q.9 What is Le Chatelier's Principle?
(This was the only question I couldn't answer.)

Q.10 Convert 25°C into Kelvin and Fahrenheit.

Q.11 What is the difference between Physics and Chemistry?

Q.12 What is the difference between a compound and a mixture?

Q.13 What is the Joule–Thomson effect?

Q.14 I have a jug of water and I want to lower its temperature. How would you do it?
I answered in terms of pressure and temperature, but the correct explanation depends on the physical process involved.

Q.15 What is a covalent bond?

Q.16 What are hydrocarbons? What are hydrofluorocarbons (HFCs)?

Q.17 This cup of tea was very hot a few minutes ago, but now it has become slightly cold. Why?
Answer: Heat flows from a region of higher temperature to a region of lower temperature.

The interviewer said, “Okay, well explained.”

Then they told me to wait outside and said they would let me know.

After that, refreshments (juice and biscuits) were provided, and TA/DA was also provided.

After about 1 hour and 20 minutes, they told me that I could leave. They said that if I were selected, they would call and inform me.

Then I left Engro Fertilizers and headed home.

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