Solved question paper for CHEM Dec-2011 (DIPLOMA 1st-2nd)

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Solved Question Paper

Chemistry Dec-2011

PSBTE • DIPLOMA • Information Technology • 1st-2nd • Dec-2011

CHEM (chemistry) for Punjab State Board of Technical Education Diploma in Engineering 1st-2nd semester students is collected here as subject-wise previous year question papers and old papers for quick revision. Students can use these PYQ papers to understand the exam pattern, check repeated questions, and prepare important topics in a simple, semester-wise way. This page helps you find and download diploma question paper PDFs for CHEM and review common unit-wise questions before exams. BRpaper is not the official website of the Punjab State Board of Technical Education, and the papers here are meant for study reference and exam preparation only.

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Solved Questions

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Dimensional formula of density is ___________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2015 Dimensional formula of Density is _____________.

Dec 2011 Dimensional formula of density is ________
A chemical equation should represent a ___________ chemical change.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Electronic configuration of sodium is ___________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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In the periodic table vertical rows are called ___________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2017
Horizontal rows in periodic table are called ____________

___________ hardness of water can be removed by mere boiling.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2016
_____________ hardness can be removed by boiling.

Dec 2015 _________ hardness of water can be removed by boiling.
Sterilization is done by ___________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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1 degree Clark means ___________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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May 2018
SECTION-A

Q1. a) Fill in the blanks:

i. 1 degree Clark means ……………….. .
More acidic is the solution, greater is its PH.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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An aqueous solution whose PH = 1.2 is acidic.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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Blood is a buffer solution.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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May 2019 Blood is a buffer solution.

May 2016
Blood is a buffer solution.
A reducing agent is always reduced.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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In a redox reaction the oxidizing agent is oxidized.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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Reduction involves loss of electrons.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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May 2018
Reduction involves the loss of electrons. (T/F)
The movement of colloidal particles in solution cannot be examined.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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The zig zag motion of colloidal particles in solution is called Tyndall effect.

True / False 1 Marks Dec-2011 • PSBTE DIPLOMA

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What are the essentials of a chemical equation?

Short Answer 3 Marks Dec-2011 • PSBTE DIPLOMA

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May 2019 What are the essentials of a chemical equation?

May 2016
What are the essentials of chemical equation?

Dec 2015 What information is conveyed by a chemical equation?

Dec 2011 What are the implications of a chemical equation?

Dec 2011 Write the significance of a chemical equation with an example.

Calculate the molarity of a solution containing 1.00 gm of NAOH in 250 ml of solution.

Short Answer 3 Marks Dec-2011 • PSBTE DIPLOMA

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Explain in brief Heisenberg’s uncertainty principle.

Short Answer 3 Marks Dec-2011 • PSBTE DIPLOMA

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May 2019 Define Heisenberg’s uncertainty principle.
Give brief idea of modern periodic law.

Short Answer 3 Marks Dec-2011 • PSBTE DIPLOMA

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Define degree of hardness of water with reference to (a) Clark’s degree (b) PPM.

Short Answer 3 Marks Dec-2011 • PSBTE DIPLOMA

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Write a brief note on Hund’s rule.

Short Answer 3 Marks Dec-2011 • PSBTE DIPLOMA

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What is redex reaction? Give one example.

Short Answer 3 Marks Dec-2011 • PSBTE DIPLOMA

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Write in brief about electroplating.

Short Answer 3 Marks Dec-2011 • PSBTE DIPLOMA

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May 2019
Explain the process of electroplating?

May 2015 Explain electroplating by giving examples.

Dec 2015 Explain the process of electroplating.
Explain in brief degree of ionization.

Short Answer 3 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2011 Define ionization and degree of ionization.

What is meant by PH value?

Short Answer 3 Marks Dec-2011 • PSBTE DIPLOMA

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Write a brief note on absorption.

Short Answer 3 Marks Dec-2011 • PSBTE DIPLOMA

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Give the main features of Bohr’s atomic model.

Long Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2016
What are the successes of Bohr’s model of atom?

May 2015 Give the main features of Bohr’s model of atom.

Dec 2015 What are the successes of Bohr’s model of atom?
Name the different blocks in the periodic table. Give the general electronic configuration of each.

Long Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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May 2015 Name the different blocks of element in the long form of periodic table. Give the general electronic configuration of each block.

What are the implications of a chemical equation?

Long Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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May 2019 What are the essentials of a chemical equation?

May 2016
What are the essentials of chemical equation?

Dec 2015 What information is conveyed by a chemical equation?

Dec 2011 What are the essentials of a chemical equation?

Dec 2011 Write the significance of a chemical equation with an example.
Explain ionic band and covalent bond formation.

Long Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Explain soap titration method for determination of degree of hardness of water.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Explain different method for purification of water for drinking purposes.

Long Answer 4 Marks Dec-2011 • PSBTE DIPLOMA

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Explain degree of ionization, common ion effect and buffer action of a buffer solution.

Long Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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Discuss bronsted Lowry concept of acids and baess.

Long Answer 4 Marks Dec-2011 • PSBTE DIPLOMA

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Define and explain Faradays laws of electrolysis.

Long Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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May 2019 Explain Faraday’s second law of electrolysis.

May 2018
Explain Faraday’s second law of electrolysis.

May 2017
Explain Faraday’s second law of electrolysis.

May 2015 State and explain Faraday’s 1st law of electrolysis.

Dec 2011 Define and explain the process of electrolysis.

Dec 2011 (a) Define and explain the process of electrolysis.
Explain Brownian motion, electrophoresis and Tyndall effect.

Long Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Describe the various methods employed in the preparation of colloids.

Long Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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An electric current was passed through voltameter cells containing (i) Copper Sulphate (using copper electrodes) (ii) Silver Nitrate (using silver anode). The increase in weight of cathodes in two cases was respectively 0.189 gm and 0.648 gm. Calculate the chemical equivalent of copper, taking that of silver as 108.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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FAQ

Frequently Asked Questions

Answers about this subject, solved papers, and preparation.

Updated regularly

01 Where can I find CHEM previous year question papers for PSBTE Diploma?

You can use this CHEM subject page to find subject-wise previous year question papers for the PSBTE Diploma in Engineering 1st-2nd semester.

02 Can I download CHEM diploma question paper PDF from this page?

This page is meant to help students locate CHEM question paper PDFs and old papers for study and revision.

03 Are solved CHEM question papers available here?

Students often search for solved papers, but this page is mainly for previous year question papers and exam preparation material.

04 How do CHEM old papers help in exam preparation?

Old CHEM papers help you understand the exam pattern, spot repeated questions, and revise important units before the exam.

05 Is BRpaper the official website of Punjab State Board of Technical Education?

No. BRpaper is not the official website of Punjab State Board of Technical Education; it is a study reference page for question papers.

Solved question paper for CHEM Dec-2011 (DIPLOMA 1st-2nd)

Chemistry Dec-2011

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