APPLIED CHEMISTRY-II 2nd Sem Diploma 2254/5424/Nov 2015 Paper

Applied Chemistry 2 Diploma

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APPLIED CHEMISTRY-II 2nd Exam/2254/2451/5424/Common/Nov’15

SECTION-A

Q1. Do as directed. 10×1=10

The formula of copper pyrite is CuFeS
Oxide ores are concentrated by _____Process.
Slow and continuous decay of metal by mechanical force is known as Corrosion.
Water gas is a mixture of Hydrogen and Nitrogen
Cetane number is used for rating of Diesel.
Lubrication is the process of decreasing ________ in the Machine .
Pigment varnish is called ________
Natural rubber is a polymer of _____
Fibres are________ than elastomers
The major air pollutant is __________

(B) State True or False 5×1=5

The metals are electropositive in nature. True
A good fuel has low moisture . True
Grease is low viscous in nature. True
All macromolecules are the are polymers.
Acidic soil damages the crops.

SECTION-B

Q2. Attempt any five questions. 5×6=30

Explain smelting and calcinations ?
What is erosion? How it is different from corrosion?
What are the characteristics of a good fuel?
What are the functions of lubricants?
Name various constituents of Explain functions of a drying oil and thinner.
What do you understand by homopolymers and copolymers?
What are polymers? Give its
What is water pollution? Give the sources of water
Define corrosion? What is the cause of corrosion?

SECTION-C

Q3. Attempt any Five questions. 5×6=30

Describe the composition and uses of Brass and Gun
Explain caustic Embrittlement and stress
What is producer gas? Give its composition and
Define fire point, flash point, emulsification, viscosity ,cloud point and pour
What are refractories? Explain the types of
Give the preparation and uses of Polythene and
Explain acid rain and global
Explain LPG and

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APPLIED CHEMISTRY-II
2nd Exam/Common/
2254/Nov 2015 PAPER sOLUTION

Get Started

https://www.youtube.com/watch?v=y_wJffQkeWo&list=PLA9Q9SDZ781WXNAWit379A4CRLMvjGiUw&index=6&t=0shttps://www.youtube.com/watch?v=mV41CMWonN4&list=PLA9Q9SDZ781WXNAWit379A4CRLMvjGiUw&index=7&t=0shttps://www.youtube.com/watch?v=M_RR6LVICp0&list=PLA9Q9SDZ781WXNAWit379A4CRLMvjGiUw&index=20&t=0shttps://www.youtube.com/watch?v=3BNQLUnbNpYhttps://www.youtube.com/watch?v=ZDkyNOzoG8A&list=PLA9Q9SDZ781WXNAWit379A4CRLMvjGiUw&index=8&t=0shttps://www.youtube.com/watch?v=s0LVPE0Q3LE&list=PLA9Q9SDZ781WXNAWit379A4CRLMvjGiUw&index=14&t=0s

SECTION A :-APPLIED CHEMISTRY-II
2nd Exam/Common/
2254/Nov 2015 PAPER

The formula of copper pyrite is __________

The formula of copper pyrite is CuFeS

Oxide ores are concentrated by _____Process.

Slow and continuous decay of metal by mechanical force is known as ________

Slow and continuous decay of metal by mechanical force is known as Corrosion.

Water gas is a mixture of ________ and ________

Water gas is a mixture of Hydrogen and Nitrogen

________ number is used for rating of Diesel.

Cetane number is used for rating of Diesel.

Lubrication is the process of decreasing ________ in the Machine

Lubrication is the process of decreasing ________ in the Machine.

Pigment varnish is called _______

Natural rubber is a polymer of _________

Natural rubber is a polymer of _____

Fibres are________ than elastomers

The major air pollutant is _______

The major air pollutant is ________

(B) State True or False

The metals are electropositive in nature.

True

A good fuel has low moisture .

True

Grease is low viscous in nature.

True

All macromolecules are the are polymers.
Acidic soil damages the crops.

APPLIED CHEMISTRY-II 2nd Exam/Common/2254/Nov 2015 PAPER SOLUTION Click Here

APPLIED CHEMISTRY-II
2nd Exam/Common/
2254/Nov 2015 PAPER

Explain smelting and calcinations ?

Smelting and calcinations

What is erosion? How it is different from corrosion?

Erosion

different from corrosion

What are the characteristics of a good fuel?

Characteristics of a good fuel

What are the functions of lubricants ?

Functions of lubricants

Name various constituents of Explain functions of a drying oil and thinner.

Explain functions of a drying oil and thinner.

What do you understand by homopolymers and copolymers?

homopolymers and copolymers

What are polymers? Give its

What are polymers

What is water pollution? Give the sources of water

water pollution

Give the sources of water

Define corrosion? What is the cause of corrosion?

corrosion

cause of corrosion

APPLIED CHEMISTRY-II 2nd Exam/Common/2254/Nov 2015 PAPER SOLUTION Click Here

APPLIED CHEMISTRY-II
2nd Exam/Common/
2254/Nov 2018 PAPER sOLUTION

Get Started

https://www.youtube.com/watch?v=UHX6f8TIvX8https://www.youtube.com/watch?v=M_RR6LVICp0https://www.youtube.com/watch?v=mV41CMWonN4https://www.youtube.com/watch?v=s0LVPE0Q3LE&list=PLA9Q9SDZ781WXNAWit379A4CRLMvjGiUw&index=14&t=0s