40014 - ENGINEERING CHEMISTRY I STUDY MATERIALS 👇👇👇

40014 - ENGINEERING CHEMISTRY I STUDY MATERIALS 👇👇👇

on March 25, 2024

40014 - ENGINEERING CHEMISTRY I STUDY MATERIALS👇👇👇👇

PREVIOUS YEARS BOARD EXAM QUESTION PAPER 👇

Chemistry 1 N scheme Tamil medium Full notes👇

Chemistry 1 N SCHEME ENGLISH MEDIUM FULL NOTES👇

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Chemistry 1 Tamil notes unit 5 👇

Chemistry 1 important questions

Unit-1

1. Explain in detail about aufbau principle for filling of electrons in an atom with suitable example.

2.Define valency of an element.

3.Explain electrovalent bond with suitable

example with a neat diagram

4.Distinguish between s and d-block elements im the periodic table

Define pH of a solution. Calculate the pH of

0.025 N sodium hydroxide solution

Unit-2

1.Distinguish between lyophilic and lyophobic

colloids.

2.Define colloid. Describe any four industrial , Applications of colloids.

3.List the industrial applications of catalyst.

4.What is called nanotechnology? Illustrate the various applications of nanotechnology in various fields of Engineering.

Unit-3

1.Describe the manufacture of steel by Bessemer process.

2.What is meant by heat treatment of steel? Write notes on various heat treatment of steel.

3.Explain the extraction of tungsten from its

4. Describe the process and applications of powder metallurgy.

Unit-4

1.Distinguish between ordinary chemical reaction and nuclear reaction.

2. Define half-life period. The decay constant of Co-60 is 0.132/yr. Calculate its half-life period. If the quantity of Co-60 is 2.6g, what will be the quantity that remain after 10.5

3. Describe the manufacture of Portland cement 4.Define refractory. What are the requirements of a refractory?

Unit-5.

1.Explain vulcanization of rubber and give the properties of vulcanized rubber

2.Write a note on advantage of composite materials over metals and polymers

3.What are bio-materials? List biomedical uses of use following: (a) Polyurethane (b) PVC (c) Polypropylene (d) Polyethylene

4. Write a note on the following abrasives. (a) Diamond (b) Corundum (c) Emery (d) Garnet

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