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Applied Chemistry AD/B.Sc/BA PU — University of the Punjab 2021

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  • Ayesha Mustafa· 4 days ago

    BS ZOOLOGY first semester Animal diversity ZOOL 101 - university of Punjab 2025

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  • Abubakar· 4 days ago

    Literary criticism

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  • Guest· 4 days ago

    this paper consists of 60 marks but now we have 35 marks paper.

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  • Annie· 5 days ago

    Can you please tell me more past papers please because my exams are starting from next week

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  • Ahmed· 9 days ago

    Did you provide the past papers of the science of society uos?

    1 reply Reply →

Paper text

UNIVERSITY OF THE PUNJAB

Roll No.....

Associate Degree in Arts/Science & B.A./B.Sc. Part-ll Annual Exam-2021 .....

Subject: Chemistry-H

Paper: B (Applied Chemistry)

Time: 3 Hrs. Marks: 40

Paper Code: CHEM-I B

Note: Attempt FIVE questions. Q. No.1 is compulsory. Attempt at least TWO questions

from each section.

Q.1

(a)

What do you mean by Tempered Glass?

(b)

Standard deviation is a meaningful statistical term. Justify.

(c)

Describe denaturation of proteins

(d) Give favorable conditions for the production of Photochemical Smog.

Section-I

Q.2

(a)

(b)

Explain the working of Atomic Absorption Spectrophotometer.

What are the main causes of Acid Deposition? give its beneficial effects

on environment.

Q.3

(2)

(b)

Give modifications in Nernst Distribution law.

How Fertilizers pollute the water bodies?

Q.4

(a)

Differentiate between Precision and Accuracy? Give suitable examples.

(b)

How Beer-Lambert law helps in quantitative analysis?

(2)

(4)

(4)

(4)

(4)

(4)

(4)

Page 1 of 2

P.T.O,