Solved question paper for CHEM May-2016 (DIPLOMA 1st-2nd)

Solved Question Paper

Chemistry May-2016

PSBTE • DIPLOMA • Mechanical Engineering (RAC) • 1st-2nd • May-2016

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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SECTION- A

Q1 (A) Fill in the blanks

i. Dimensional formula of pressure is ……………………

Very Short Answer 1x8= 8 Marks May-2016 • PSBTE DIPLOMA

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Cations are the ……………….charged ions.

Very Short Answer May-2016 • PSBTE DIPLOMA

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May 2019
Cations are _________charged ions.

May 2018
Cations are ___________ charged ions.
The shape of s-orbital is…………………

Very Short Answer May-2016 • PSBTE DIPLOMA

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Dec 2011 The shape of 2s orbital is
Sigma bond is …………………..than pi bond.

Very Short Answer May-2016 • PSBTE DIPLOMA

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Positively charged ions are called………………….

Very Short Answer May-2016 • PSBTE DIPLOMA

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Dec 2017
Negatively charged ions are called __________

May 2016
Negatively charged ion are called …………………

Dec 2016
Positively charged ions are called ____________.

Dec 2011 Negatively charged ions are called ______
Bond length is measured in …………………. Unit

Very Short Answer May-2016 • PSBTE DIPLOMA

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Dec 2011 Bond length is measured in ________ unit.
Negatively charged ion are called …………………

Very Short Answer May-2016 • PSBTE DIPLOMA

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Dec 2017
Negatively charged ions are called __________

May 2016
Positively charged ions are called………………….

Dec 2016
Positively charged ions are called ____________.

Dec 2011 Negatively charged ions are called ______
The functional group of ketone is………………

Very Short Answer May-2016 • PSBTE DIPLOMA

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May 2019
The functional group of Ketone is____________

State true or false

i. Vertical columns are called periods

Very Short Answer 1x7=7 Marks May-2016 • PSBTE DIPLOMA

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Molecule of C2H2 is linear

Very Short Answer May-2016 • PSBTE DIPLOMA

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Blood is a buffer solution.

Very Short Answer May-2016 • PSBTE DIPLOMA

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May 2019 Blood is a buffer solution.

Dec 2011 Blood is a buffer solution.
Isotopes have same number of protons.

Very Short Answer May-2016 • PSBTE DIPLOMA

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May 2019
Isotopes have same number of protons (T/F)

Dec 2011 Isotopes have same number of protons.

Gunpowder is a mixture.

Very Short Answer May-2016 • PSBTE DIPLOMA

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May 2018
Gun powder is a mixture of …………….. .
Silver nitrate is a non electrolyte.

Very Short Answer May-2016 • PSBTE DIPLOMA

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All orbitals have directional characteristics.

Very Short Answer May-2016 • PSBTE DIPLOMA

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Attempt any TEN questions.

i. Define sigma (σ) and pi (π ) bonding .

Short Answer 3x10=30 Marks May-2016 • PSBTE DIPLOMA

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Diffrentiate between an orbit and an orbital?

Short Answer May-2016 • PSBTE DIPLOMA

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May 2019
Differentiate between an orbit and orbital.

May 2018
Differentiate between an orbit and orbital.

Dec 2016
Differentiate between an orbit and an orbital.
What are the essentials of chemical equation?

Very Short Answer May-2016 • PSBTE DIPLOMA

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May 2019 What are the essentials of a chemical equation?

Dec 2015 What information is conveyed by a chemical equation?

Dec 2011 What are the essentials of 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.
Write the short comings of bohrs model of an atom?

Short Answer May-2016 • PSBTE DIPLOMA

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Define boyles law and charles law?

Short Answer May-2016 • PSBTE DIPLOMA

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What are the causes and disadvantages of boiles corrosion?

Short Answer May-2016 • PSBTE DIPLOMA

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May 2021 Give a detail account of factors influencing the rate of corrosion.

May 2019 What do you understand by corrosion?

May 2019 What are the factors that influence the rate of corrosion?

May 2017
What is the cause of corrosion?

May 2016
What are the factors which influence the rate of corrosion?

May 2015 What are the factors which influence the rate of corrosion?

Dec 2015 What is the cause of corrosion?
Explain working of primary cell?

Short Answer May-2016 • PSBTE DIPLOMA

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May 2018
What are primary and secondary cell?

May 2017
What are primary and secondary cell?
Explain functional group?

Short Answer May-2016 • PSBTE DIPLOMA

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Explain strong and weak electrolyte?

Short Answer May-2016 • PSBTE DIPLOMA

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May 2019
What are electrolytes and non-electrolytes?

May 2018
What are electrolytes and non electrolytes?

May 2017
What are strong and weak electrolytes?

Dec 2017
Explain electrolytes and non- electrolytes.

Dec 2015 What are electrolytes and non electrolytes?

Give advantages of long form of the periodic table?

Short Answer May-2016 • PSBTE DIPLOMA

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May 2019
What are the advantages of long form of periodic table?

May 2018
What are the advantages of long form of periodic table?

May 2017
What are the advantages of long form of periodic table?
Calculate the number of atoms in 23gm of Na ? (at.mass of Na=23)

Short Answer May-2016 • PSBTE DIPLOMA

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May 2015 Calculate the number of atoms and gram atoms in 2.3 gm of sodium.

Dec 2011 Calculate the number of atoms in 0.23 gms of Na (at mass of Na = 23).

Dec 2011 Calculate the number of atoms in 0.23g of Na (at mass of Na = 23).
Explain ionic bond. Give example?

Short Answer May-2016 • PSBTE DIPLOMA

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Explain periods and groups briefly

Short Answer May-2016 • PSBTE DIPLOMA

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SECTION- C

Q.3 Attempt any THREE questions.

1. a) Name and explain the quantum numbers.

b) Explain the process of electroplating?

Long Answer 10x3=30 Marks May-2016 • PSBTE DIPLOMA

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a) Explain molarity ,normality and molality.

b) Write a short note on aufbau principle and hund’s rule

Long Answer May-2016 • PSBTE DIPLOMA

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a) Diffrentiate between alkene and alkyne .

b) Diffrentiate between s and p orbital.

Long Answer May-2016 • PSBTE DIPLOMA

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a) Write the formula of the following compound.

i. Acetic acid ii. Acetaldehyde iii. Acetone iv. Ethene v. Ethyne

b) Calculate the pH value of 0.01 HCL?

c) What are the causes of hardness of water?

Long Answer May-2016 • PSBTE DIPLOMA

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a) Define a co –ordinate bond. Explain it taking at least 2 examples?

b) Describe sp, sp2 , sp3 hybridisation.

Long Answer May-2016 • 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 May-2016 (DIPLOMA 1st-2nd)

Chemistry May-2016

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