Pristine Chemistry - āĻĒā§āϰāĻŋāĻ¸ā§āϟāĻŋāύ āϕ⧇āĻŽāĻŋāĻ¸ā§āĻŸā§āϰāĻŋ

Pristine Chemistry - āĻĒā§āϰāĻŋāĻ¸ā§āϟāĻŋāύ āϕ⧇āĻŽāĻŋāĻ¸ā§āĻŸā§āϰāĻŋ

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đŸŽ¯ Pristine Chemistry is unlocking the path from Basic Concepts to Advanced Analytical Mastery.

"āϰāϏāĻžāϝāĻŧāύ āϤāĻ–āύāχ āϜāϟāĻŋāϞ āĻŽāύ⧇ āĻšāϝāĻŧ, āϝāĻ–āύ āφāĻŽāϰāĻž āĻļ⧁āϧ⧁āχ āϏ⧂āĻ¤ā§āϰ āĻŽā§āĻ–āĻ¸ā§āĻĨ āĻ•āϰāĻŋ—āφāϰ āϤāĻ–āύāχ āϏāĻšāϜ āĻšāϝāĻŧ⧇ āϝāĻžāϝāĻŧ, āϝāĻ–āύ āφāĻŽāϰāĻž āĻĒā§āϰāϤāĻŋāϟāĻŋ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϰ āĻĒ⧇āĻ›āύ⧇āϰ āĻ—āĻ˛ā§āĻĒāϟāĻž āĻŦ⧁āĻā§‡ āĻĢ⧇āϞāĻŋāĨ¤"
—AbdSir

17/06/2026

HSC-28
PRISTINE CHEMISTRY
Academic & Admission Care

HSC Chemistry | Medical Chemistry | University Admission Chemistry

HSC-28 Chemistry Special Batch

Chemistry āĻļ⧁āϧ⧁ āĻŽā§āĻ–āĻ¸ā§āĻĨ āĻ•āϰāĻžāϰ āĻŦāĻŋāώ⧟ āĻ¨ā§Ÿâ€”
Chemistry āĻŦ⧁āĻāϤ⧇ āĻšā§Ÿ Basic Concept, Reaction Logic, Mathematical Analysis āĻāĻŦāĻ‚ Admission-Level Application āĻĻāĻŋā§Ÿā§‡āĨ¤

HSC-28 āĻļāĻŋāĻ•ā§āώāĻžāĻ°ā§āĻĨā§€āĻĻ⧇āϰ āϜāĻ¨ā§āϝ Pristine Chemistry āύāĻŋā§Ÿā§‡ āĻāϏ⧇āϛ⧇ āĻāĻ•āϟāĻŋ structured Chemistry program, āϝ⧇āĻ–āĻžāύ⧇ HSC Academic Chemistry-āĻāϰ āϏāĻžāĻĨ⧇ āϏāĻžāĻĨ⧇ Medical, Engineering āĻ“ University Admission-āĻāϰ āϜāĻ¨ā§āϝ āĻļāĻ•ā§āϤ āĻ­āĻŋāĻ¤ā§āϤāĻŋ āϤ⧈āϰāĻŋ āĻ•āϰāĻž āĻšāĻŦ⧇āĨ¤

āĻāχ āĻŦā§āϝāĻžāĻšā§‡ āϝāĻž āĻĨāĻžāĻ•āĻ›ā§‡â€”

✅ HSC 1st Paper & 2nd Paper āĻāĻ•āϏāĻžāĻĨ⧇ āĻĒāϰāĻŋāĻ•āĻ˛ā§āĻĒāĻŋāϤāĻ­āĻžāĻŦ⧇ āĻĒ⧜āĻžāύ⧋
✅ Basic āĻĨ⧇āϕ⧇ Advanced level āĻĒāĻ°ā§āϝāĻ¨ā§āϤ clear concept building
✅ Board Exam-āĻāϰ CQ, MCQ āĻ“ Short Question practice
✅ Medical & University Admission-oriented analytical preparation
✅ Reaction Mechanism, Calculation, Theory—āϏāĻŦāĻ•āĻŋāϛ⧁āϰ āϏāĻšāϜ āĻŦā§āϝāĻžāĻ–ā§āϝāĻž
✅ Regular Class Test & Written Practice
✅ Weak student-āĻĻ⧇āϰ āϜāĻ¨ā§āϝ Basic Analysis Method

Target Students:

HSC-28 | Class XI Chemistry Students

Our Focus:

Basic → Board → Admission

Chemistry-āϤ⧇ strong āĻšāϤ⧇ āϚāĻžāχāϞ⧇ āĻļ⧁āϰ⧁āϟāĻž āĻšāϤ⧇ āĻšāĻŦ⧇ āϏāĻ āĻŋāĻ• āϜāĻžā§ŸāĻ—āĻž āĻĨ⧇āϕ⧇āĨ¤
Pristine Chemistry āϤ⧋āĻŽāĻžāϕ⧇ āĻļ⧁āϧ⧁ HSC āĻĒāϰ⧀āĻ•ā§āώāĻžāϰ āϜāĻ¨ā§āϝ āύ⧟, āĻ­āĻŦāĻŋāĻˇā§āϝāϤ⧇āϰ Admission āϝ⧁āĻĻā§āϧ⧇āϰ āϜāĻ¨ā§āϝāĻ“ āĻĒā§āϰāĻ¸ā§āϤ⧁āϤ āĻ•āϰāĻŦ⧇ āχāύāĻļāĻžāφāĻ˛ā§āϞāĻžāĻšāĨ¤

Course Mentor:
Muhammad A. Mamun [AbdSir]
MSc in Chemistry, Jahangirnagar University
Former Chemistry Lecturer, Department of Chemistry
Sristy College of Tangail

Location: Fire Service Road, Old Bus Stand, Tangail-1900

Admission Going On for HSC-28

PRISTINE CHEMISTRY
Academic & Admission Care

01/06/2026

HSC 1st Year | New Batch Start

SSC 2026 āĻĒāϰ⧀āĻ•ā§āώāĻžāĻ°ā§āĻĨā§€āĻĻ⧇āϰ āϜāĻ¨ā§āϝ | HSC 2028 Batch

āϝāĻžāϰāĻž āĻāĻ–āύ SSC āĻĒāϰ⧀āĻ•ā§āώāĻž āĻĻāĻŋāϝāĻŧ⧇āϛ⧇, āϤāĻžāĻĻ⧇āϰ āĻĒā§āĻ°ā§āϝāĻžāĻ•āϟāĻŋāĻ•āĻžāϞ āĻĒāϰ⧀āĻ•ā§āώāĻž āĻļ⧇āώ āĻšāϞ⧇āχ āχāύāĻļāĻžāφāĻ˛ā§āϞāĻžāĻš āύāϤ⧁āύ HSC Chemistry āĻŦā§āϝāĻžāϚ āĻļ⧁āϰ⧁ āĻšāĻŦ⧇āĨ¤

āĻāχ āĻŦā§āϝāĻžāĻšā§‡ HSC 1st Paper āĻāĻŦāĻ‚ 2nd Paper āĻāĻ•āϏāĻžāĻĨ⧇ āĻĒ⧜āĻžāύ⧋ āĻšāĻŦā§‡â€”āĻļ⧁āϧ⧁ āĻāĻ•āĻžāĻĄā§‡āĻŽāĻŋāĻ• āĻĒāϰ⧀āĻ•ā§āώāĻžāϰ āϜāĻ¨ā§āϝ āύāϝāĻŧ, āĻŦāϰāĻ‚ āĻ­āĻŦāĻŋāĻˇā§āϝāϤ⧇āϰ Medical, University āĻāĻŦāĻ‚ Engineering Admission Test-āĻāϰ āĻļāĻ•ā§āϤ āĻ­āĻŋāĻ¤ā§āϤāĻŋ āϤ⧈āϰāĻŋāϰ āϞāĻ•ā§āĻˇā§āϝ āύāĻŋāϝāĻŧ⧇āĨ¤

āĻāχ āĻŦā§āϝāĻžāĻšā§‡ āĻĨāĻžāĻ•āĻŦ⧇ āĻĻ⧁āϟāĻŋ āϏāĻŽāĻ¨ā§āĻŦāĻŋāϤ Chemistry track:

ā§§. MediChemistry
Medical Admission Test āϞāĻ•ā§āĻˇā§āϝ āĻ•āϰ⧇ āĻŦ⧇āϏāĻŋāĻ• āĻ•āύāϏ⧇āĻĒā§āϟ, āĻāĻ•āĻžāĻĄā§‡āĻŽāĻŋāĻ• āĻ…ā§āϝāĻžāύāĻžāϞāĻžāχāϏāĻŋāϏ āĻ“ āĻĒā§āϰāĻŦāϞ⧇āĻŽ āϏāϞāĻ­āĻŋāĻ‚āĨ¤

⧍. Varsity Chemistry
University āĻ“ Engineering Admission Test āϞāĻ•ā§āĻˇā§āϝ āĻ•āϰ⧇ HSC Chemistry-āĻāϰ āĻ—āĻ­ā§€āϰ āĻĒā§āϰāĻ¸ā§āϤ⧁āϤāĻŋāĨ¤

āĻ•ā§āϞāĻžāϏ⧇ āϗ⧁āϰ⧁āĻ¤ā§āĻŦ āĻĻ⧇āĻ“āϝāĻŧāĻž āĻšāĻŦā§‡â€”
✅ Basic Concept Building
✅ Academic Analysis
✅ Board Exam Preparation
✅ Problem Solving Skill
✅ Admission-Oriented Chemistry Preparation

Start: 15 June 2026, 9:00 PM
Venue: Pristine Chemistry Academy - PCA

SSC āĻĨ⧇āϕ⧇ HSC, āϤāĻžāϰāĻĒāϰ Admission Journey — Chemistry āĻšāĻŦ⧇ Strong Foundation!

Pristine Chemistry Academy - PCA
āĻ•āύāϏ⧇āĻĒā§āĻŸā§‡āχ āĻļāĻ•ā§āϤāĻŋ, āĻĒā§āϰāĻ¸ā§āϤ⧁āϤāĻŋāϤ⧇āχ āϏāĻžāĻĢāĻ˛ā§āϝ!

ABDSIR — [email protected]
Academic email: [email protected] (Jahangirnagar University)

15/03/2026

āφāϜāϕ⧇āϰ āĻĒāϰāĻŋāĻŽāĻžāĻŖāĻ—āϤ āϰāϏāĻžāϝāĻŧāύ āĻĒāĻžāĻ°ā§āĻŸâ€“ā§§ āĻ›āĻŋāϞ āĻ…āĻ¤ā§āϝāĻ¨ā§āϤ āϗ⧁āϰ⧁āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖ āĻāĻ•āϟāĻŋ āĻ•ā§āϞāĻžāϏāĨ¤ āϝāĻžāϰāĻž āφāϜ āĻ•ā§āϞāĻžāϏ⧇ āωāĻĒāĻ¸ā§āĻĨāĻŋāϤ āĻ›āĻŋāϞ⧇, āϤāĻžāϰāĻž āύāĻŋāĻļā§āϚ⧟āχ āĻŦ⧁āĻāϤ⧇ āĻĒ⧇āϰ⧇āϛ⧋ āĻ•ā§āϞāĻžāϏāϟāĻŋ āĻ•āϤāϟāĻž āϗ⧁āϰ⧁āĻ¤ā§āĻŦ āĻŦāĻšāύ āĻ•āϰ⧇āĨ¤

āφāϏāϞ⧇ āϤ⧋āĻŽāϰāĻž āϝāĻžāϰāĻž āύāĻŋ⧟āĻŽāĻŋāϤ āĻ¸ā§āϟ⧁āĻĄā§‡āĻ¨ā§āϟ, āϤāĻžāϰāĻž āχāύāĻļāĻžāφāĻ˛ā§āϞāĻžāĻš āϏāĻžāĻŽāύ⧇ āϝāĻ–āύ āϟāĻžāĻ°ā§āϗ⧇āϟāĻ­āĻŋāĻ¤ā§āϤāĻŋāĻ• āĻŽā§‡āĻĄāĻŋāϕ⧇āϞ, āĻŦāĻŋāĻļā§āĻŦāĻŦāĻŋāĻĻā§āϝāĻžāϞ⧟ āĻ“ āχāĻžā§āϜāĻŋāύāĻŋ⧟āĻžāϰāĻŋāĻ‚ āĻ­āĻ°ā§āϤāĻŋ āϕ⧋āϚāĻŋāĻ‚ āĻ•āϰāĻŦ⧇, āϤāĻ–āύ āφāϰāĻ“ āĻ—āĻ­ā§€āϰāĻ­āĻžāĻŦ⧇ āĻ…āύ⧁āĻ­āĻŦ āĻ•āϰāϤ⧇ āĻĒāĻžāϰāĻŦ⧇ āĻāχ āĻ•ā§āϞāĻžāϏāϗ⧁āϞ⧋ āĻĨ⧇āϕ⧇ āϤ⧋āĻŽāϰāĻž āĻ•āϤāϟāĻž āĻŽā§‚āĻ˛ā§āϝāĻŦāĻžāύ āϜāĻŋāύāĻŋāϏ āĻ…āĻ°ā§āϜāύ āĻ•āϰāϛ⧋āĨ¤ āĻ•āĻžāϰāĻŖ āφāĻŽāĻŋ āϕ⧋āύ⧋ āĻŦāĻŋāώ⧟ āϏāϰāĻžāϏāϰāĻŋ āĻļ⧁āϧ⧁ āĻŽā§āĻ–āĻ¸ā§āĻĨ āĻ•āϰāĻžāύ⧋āϰ āĻšā§‡āĻˇā§āϟāĻž āĻ•āϰāĻŋ āύāĻž; āĻŦāϰāĻ‚ āφāĻŽāĻŋ āĻšā§‡āĻˇā§āϟāĻž āĻ•āϰāĻŋ āĻāϕ⧇āĻŦāĻžāϰ⧇ āϰ⧁āϟ āϞ⧇āϭ⧇āϞ āĻĨ⧇āϕ⧇ āĻŦāĻŋāώ⧟āϗ⧁āϞ⧋ āĻŸā§‡āύ⧇ āĻŦ⧇āϰ āĻ•āϰ⧇ āĻŦ⧁āĻāĻžāϤ⧇āĨ¤

āϰ⧁āϟ āϞ⧇āϭ⧇āϞ āĻĨ⧇āϕ⧇ āϝāĻ–āύ āϕ⧋āύ⧋ āĻŦāĻŋāώ⧟ āĻ¸ā§āĻŸā§āϰāĻžāĻ•āϚāĻžāϰāĻ­āĻŋāĻ¤ā§āϤāĻŋāĻ•āĻ­āĻžāĻŦ⧇ āĻ—āĻ āύ āĻ•āϰ⧇ āωāĻĒāĻ¸ā§āĻĨāĻžāĻĒāύ āĻ•āϰāĻž āĻšā§Ÿ, āϤāĻ–āύ āϏ⧇āϟāĻŋ āĻļ⧁āϧ⧁ āĻĒ⧜āĻž āύ⧟, āϏāĻ¤ā§āϝāĻŋāĻ•āĻžāϰ āĻ…āĻ°ā§āĻĨ⧇ āĻŦā§‹āĻāĻž āϝāĻžā§ŸāĨ¤ āφāϜāϕ⧇āϰ āĻ•ā§āϞāĻžāϏ⧇ āϤ⧋āĻŽāĻžāĻĻ⧇āϰ āĻ…āύ⧇āϕ⧇āχ āĻšā§ŸāϤ⧋ āϏ⧇āϟāĻž āωāĻĒāϞāĻŦā§āϧāĻŋ āĻ•āϰāϤ⧇ āĻĒ⧇āϰ⧇āϛ⧋āĨ¤ āĻŦāĻŋāĻļ⧇āώ āĻ•āϰ⧇ āĻ•āϞ⧇āĻœā§‡ āϝ⧇āϏāĻŦ āϟāĻĒāĻŋāĻ• āĻ…āύ⧇āĻ• āϏāĻŽā§Ÿ āĻ āĻŋāĻ•āĻ­āĻžāĻŦ⧇ āĻŦ⧁āĻāĻŋā§Ÿā§‡ āĻĒ⧜āĻžāύ⧋ āĻšā§Ÿ āύāĻž, āϏ⧇āϏāĻŦ āĻŦāĻŋāĻˇā§Ÿā§‡āϰ āĻ•āĻŋāϛ⧁ āϗ⧁āϰ⧁āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖ āĻĻāĻŋāĻ• āφāϜāϕ⧇āϰ āĻ•ā§āϞāĻžāϏ⧇ āĻĒāϰāĻŋāĻˇā§āĻ•āĻžāϰ āĻšā§Ÿā§‡āϛ⧇ āĻŦāϞ⧇ āφāĻŽāĻŋ āĻŽāύ⧇ āĻ•āϰāĻŋāĨ¤

āφāĻŽāĻŋ āφāĻļāĻž āĻ•āϰāĻŦ, āĻāĻ–āύ āϝ⧇āĻšā§‡āϤ⧁ āϏāĻžāĻŽāύ⧇ āφāϰ āϰāĻŽāϜāĻžāύ āĻŽāĻžāϏ⧇āϰ āĻŽāϤ⧋ āϰāĻžāϤāϜāĻžāĻ—āĻžāϰ āϚāĻžāĻĒ āĻĨāĻžāĻ•āĻŦ⧇ āύāĻž, āϏ⧇āχ āϜāĻžā§ŸāĻ—āĻž āĻĨ⧇āϕ⧇ āϤ⧋āĻŽāϰāĻž āĻŦāĻžāĻ•āĻŋ āĻ•ā§āϞāĻžāϏāϗ⧁āϞ⧋āĻ“ āύāĻŋ⧟āĻŽāĻŋāϤāĻ­āĻžāĻŦ⧇ āĻ•āϰāĻŦ⧇āĨ¤ āύāĻŋ⧟āĻŽāĻŋāϤ āĻĨāĻžāĻ•āϞ⧇ āχāύāĻļāĻžāφāĻ˛ā§āϞāĻžāĻš āϤ⧋āĻŽāĻžāĻĻ⧇āϰ āĻ…āύ⧇āĻ• āωāĻĒāĻ•āĻžāϰ āĻšāĻŦ⧇āĨ¤

— āĻŽ. āφāĻŦā§āĻĻ⧁āĻ˛ā§āϞāĻžāĻš āφāϞ āĻŽāĻžāĻŽā§āύ

ABDSIR — [email protected], Academic email: [email protected] (Jahangirnagar University)

Photos from Pristine Chemistry - āĻĒā§āϰāĻŋāĻ¸ā§āϟāĻŋāύ āϕ⧇āĻŽāĻŋāĻ¸ā§āĻŸā§āϰāĻŋ's post 25/02/2026

📘 HSC Chemistry 2nd Paper – Chapter 3
Stoichiometric Chemistry | Molar Volume | STP, NTP, SATP
âœī¸ Write to Understand. Write to Analyze. Write to Master.

āĻāχ āύ⧋āϟāϗ⧁āϞ⧋ āϕ⧋āύ⧋ āĻĒā§āϰāĻŋāĻ¨ā§āĻŸā§‡āĻĄ āĻ•āĻĒāĻŋ āύāϝāĻŧāĨ¤
āĻ•ā§āϞāĻžāϏ⧇ āĻŦāϏ⧇ Basic Concept → Formula Derivation → Academic Analysis — āϧāĻžāĻĒ⧇ āϧāĻžāĻĒ⧇ āϞāĻŋāϖ⧇ āϤ⧈āϰāĻŋ āĻ•āϰāĻž āĻĒā§āĻ°ā§āϝāĻžāĻ•āϟāĻŋāϏ āĻ–āĻžāϤāĻžāĨ¤

āφāĻŽāϰāĻž āĻļ⧁āϧ⧁ “āĻ•āĻŋ” āĻļāĻŋāĻ–āĻŋ āύāĻž,
āφāĻŽāϰāĻž āĻļāĻŋāĻ–āĻŋ “āϕ⧇āĻ¨â€ āĻāĻŦāĻ‚ “āĻ•āĻŋāĻ­āĻžāĻŦā§‡â€āĨ¤

—
📝 Prepared by:
NajmunAra Sultana
Roll: 51
Major General Mahmudul Hasan Adarsha College, Tangail

📚 Taught & Guided by: Abd Sir
—
Tangail-āĻāϰ āϏāĻ•āϞ āĻ•āϞ⧇āϜ āĻļāĻŋāĻ•ā§āώāĻžāĻ°ā§āĻĨā§€āĻĻ⧇āϰ āϜāĻ¨ā§āϝ āύāĻŋāϝāĻŧāĻŽāĻŋāϤ āĻāχ āĻāĻ•āĻžāĻĄā§‡āĻŽāĻŋāĻ• āĻĒā§āĻ°ā§āϝāĻžāĻ•āϟāĻŋāϏ āϚāϞāĻŽāĻžāύāĨ¤
āĻŦā§‹āĻ°ā§āĻĄ + āĻŦāĻŋāĻļā§āĻŦāĻŦāĻŋāĻĻā§āϝāĻžāϞāϝāĻŧ āĻŽāĻžāύ⧇āϰ āĻĒā§āϰāĻ¸ā§āϤ⧁āϤāĻŋ āĻāĻ•āϏāĻžāĻĨ⧇ — āĻšāĻžāϤ⧇ āĻ•āϞāĻŽā§‡āĨ¤

āϝāĻžāϰāĻž āϏāĻ¤ā§āϝāĻŋāĻ•āĻžāϰ⧇āϰ āĻ•āύāϏ⧇āĻĒā§āϟ āϚāĻžāĻ“,
āϝāĻžāϰāĻž āϞāĻŋāϖ⧇ āϞāĻŋāϖ⧇ āύāĻŋāĻœā§‡āϰ āĻĻāĻ•ā§āώāϤāĻž āϤ⧈āϰāĻŋ āĻ•āϰāϤ⧇ āϚāĻžāĻ“,
āϤāĻžāĻĻ⧇āϰ āϜāĻ¨ā§āϝ āĻāχ āĻĒā§āĻ˛ā§āϝāĻžāϟāĻĢāĻ°ā§āĻŽāĨ¤

👨‍đŸĢ Muhammad A. Mamun (Abd Abdullah)
Lecturer of Chemistry
Sristy College of Tangail

—
āĻāĻ­āĻžāĻŦ⧇āχ āϚāϞāĻŦ⧇ āφāĻŽāĻžāĻĻ⧇āϰ Concept-Based Academic Writing ProgramāĨ¤
āĻāϰāĻ•āĻŽ āĻšāĻžāϤ⧇ āϞ⧇āĻ–āĻž āĻāύāĻžāϞāĻžāχāϏāĻŋāϏ āύ⧋āϟ āĻĒ⧇āϤ⧇ āφāĻŽāĻžāĻĻ⧇āϰ āϏāĻžāĻĨ⧇ āĻĨāĻžāϕ⧋āĨ¤
—
ABDSIR — [email protected]
Academic email: [email protected] (Jahangirnagar University)

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âœī¸ Handwritten Concept Note – Quantitative Chemistry
Chapter: Molar Volume | STP | NTP | SATP
āĻŦ⧇āϏāĻŋāĻ• āĻĨ⧇āϕ⧇ āĻ…ā§āϝāĻžāύāĻžāϞāĻžāχāϏāĻŋāĻ¸â€”āĻĒā§āϰāϤāĻŋāϟāĻŋ āϞāĻžāχāύ āϞāĻŋāϖ⧇ āϞāĻŋāϖ⧇ āĻĒā§āĻ°ā§āϝāĻžāĻ•āϟāĻŋāϏāĨ¤
āĻļ⧁āϧ⧁ āĻŽā§āĻ–āĻ¸ā§āĻĨ āύ⧟, āĻ•āύāϏ⧇āĻĒā§āϟ āĻ•ā§āϞāĻŋ⧟āĻžāϰ āĻ•āϰ⧇ āĻāĻ•āĻžāĻĄā§‡āĻŽāĻŋāĻ• āĻ“ āχāωāύāĻŋāĻ­āĻžāĻ°ā§āϏāĻŋāϟāĻŋ āĻ¸ā§āĻŸā§āϝāĻžāĻ¨ā§āĻĄāĻžāĻ°ā§āĻĄ āĻĒā§āϰāĻ¸ā§āϤ⧁āϤāĻŋāĨ¤
📘 āφāϜāϕ⧇āϰ āĻĒā§āϰāĻŋāĻĒāĻžāϰ⧇āĻļāύ:
Prepared by: Nafisa Khan Arpa
College: Kumudini Govt. College
PPR: Basic Analytical Practice Session
āĻāĻ­āĻžāĻŦ⧇āχ āĻĒā§āϰāϤāĻŋāϟāĻŋ āĻ¸ā§āϟ⧁āĻĄā§‡āĻ¨ā§āϟ āύāĻŋāϜ āĻšāĻžāϤ⧇ āϞāĻŋāϖ⧇ āĻ•āύāϏ⧇āĻĒā§āϟ āĻ†ā§ŸāĻ¤ā§āϤ āĻ•āϰāĻ›ā§‡â€”
Qualitative vs Quantitative āĻĒāĻžāĻ°ā§āĻĨāĻ•ā§āϝ āĻĨ⧇āϕ⧇ āĻļ⧁āϰ⧁ āĻ•āϰ⧇ STP-āϤ⧇ molar volume (22.414 L/mol) āĻĒāĻ°ā§āϝāĻ¨ā§āϤ āϏāĻŽā§āĻĒā§‚āĻ°ā§āĻŖ āĻĒāϰāĻŋāĻˇā§āĻ•āĻžāϰ āϧāĻžāϰāĻŖāĻžāĨ¤
āϟāĻžāĻ™ā§āĻ—āĻžāχāϞ⧇āϰ āϝāĻžāϰāĻž āϏāĻ¤ā§āϝāĻŋāĻ•āĻžāϰ⧇āϰ āĻŦ⧇āϏāĻŋāĻ• āĻļāĻ•ā§āϤ āĻ•āϰāϤ⧇ āϚāĻžāĻ“,
āϞāĻŋāϖ⧇ āĻļāĻŋāĻ–āϤ⧇ āϚāĻžāĻ“,
āĻ…ā§āϝāĻžāύāĻžāϞāĻžāχāϏāĻŋāϏ āĻĻāĻŋā§Ÿā§‡ āĻāĻ—ā§‹āϤ⧇ āϚāĻžāĻ“â€”
āϤ⧋āĻŽāĻžāĻĻ⧇āϰ āϜāĻžā§ŸāĻ—āĻž āĻāĻ–āĻžāύ⧇āχāĨ¤
āĻāϰāĻ•āĻŽ āĻšāĻžāϤ⧇ āϞ⧇āĻ–āĻž āĻĒā§āϰāĻŋāĻŽāĻŋ⧟āĻžāĻŽ āύ⧋āϟ āĻĒ⧇āϤ⧇ āφāĻŽāĻžāĻĻ⧇āϰ āϏāĻžāĻĨ⧇āχ āĻĨāĻžāϕ⧋āĨ¤ āύāĻŋ⧟āĻŽāĻŋāϤ PPR āϚāϞāĻŦ⧇ āχāύāĻļāĻžāφāĻ˛ā§āϞāĻžāĻšāĨ¤

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āĻāχ āύ⧋āϟāϗ⧁āϞ⧋ āϕ⧋āύ⧋ āĻ—āĻžāχāĻĄāĻŦ⧁āĻ• āĻĨ⧇āϕ⧇ āĻ•āĻĒāĻŋ āĻ•āϰāĻž āύāϝāĻŧ—āĻāϗ⧁āϞ⧋ āφāĻŽāĻžāϰ āĻĻāĻŋāĻ•āύāĻŋāĻ°ā§āĻĻ⧇āĻļāύāĻž āĻ“ āϟāĻŋāϚāĻŋāĻ‚ āĻāϰ āĻ›āĻžāĻ¤ā§āϰāĻ›āĻžāĻ¤ā§āϰ⧀āĻĻ⧇āϰ āύāĻŋāĻœā§‡āϰ āĻšāĻžāϤ⧇ āϞ⧇āĻ–āĻž, āύāĻŋāĻœā§‡āϰ āĻŦā§‹āĻāĻž āĻĨ⧇āϕ⧇ āϤ⧈āϰāĻŋ āĻ•āϰāĻžāĨ¤

Chemistry 2nd Paper, Chapter-3 — āϗ⧁āĻŖāĻ—āϤ āĻŦāύāĻžāĻŽ āĻĒāϰāĻŋāĻŽāĻžāĻŖāĻ—āϤ āϰāϏāĻžā§Ÿāύ, STP-NTP-SATP, āĻŽā§‹āϞāĻžāϰ āĻ†ā§ŸāϤāύâ€Ļ āĻļ⧁āϧ⧁ āϏ⧂āĻ¤ā§āϰ āĻŽā§āĻ–āĻ¸ā§āĻĨ āύāĻž, āφāĻŽāϰāĻž āĻĒā§āϰāϤāĻŋāϟāĻž āϞāĻžāχāύ⧇āϰ āĻĒ⧇āĻ›āύ⧇āϰ āϝ⧁āĻ•ā§āϤāĻŋ āϞāĻŋāϖ⧇ āϞāĻŋāϖ⧇ āĻŦāĻŋāĻļā§āϞ⧇āώāĻŖ āĻ•āϰāĻŋāĨ¤ āϕ⧇āύ ā§§ mole āĻ—ā§āϝāĻžāϏ⧇āϰ āĻ†ā§ŸāϤāύ 22.414 L? āϕ⧋āύ āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻžā§Ÿ? āϕ⧋āύ āϚāĻžāĻĒ⧇? āĻĒāϰāĻŋāĻŦāĻ°ā§āϤāύ āĻšāϞ⧇ āϕ⧀ āĻšāĻŦ⧇?—āĻāχ āĻĒā§āϰāĻļā§āύāϗ⧁āϞ⧋āϰ āωāĻ¤ā§āϤāϰ āύāĻž āϜāĻžāύāĻž āĻĒāĻ°ā§āϝāĻ¨ā§āϤ āĻ•ā§āϞāĻžāϏ āĻļ⧇āώ āĻšā§Ÿ āύāĻžāĨ¤

āφāĻŽāĻŋ āĻŦ⧇āϏāĻŋāĻ• āĻĨ⧇āϕ⧇ āĻļ⧁āϰ⧁ āĻ•āϰāĻŋ, āϤāĻžāϰāĻĒāϰ āĻŦ⧇āϏāĻŋāĻ• āĻāύāĻžāϞāĻžāχāϏāĻŋāϏ, āϤāĻžāϰāĻĒāϰ āĻāĻ•āĻžāĻĄā§‡āĻŽāĻŋāĻ• āĻ“ āχāωāύāĻŋāĻ­āĻžāĻ°ā§āϏāĻŋāϟāĻŋ āĻ¸ā§āĻŸā§āϝāĻžāĻ¨ā§āĻĄāĻžāĻ°ā§āĻĄ āĻŦāĻŋāĻļā§āϞ⧇āώāĻŖāĨ¤ āĻ–āĻžāϤāĻžā§Ÿ āϞāĻŋāϖ⧇ āĻĒā§āĻ°ā§āϝāĻžāĻ•āϟāĻŋāϏ āύāĻž āĻ•āϰāϞ⧇ āĻ•āύāϏ⧇āĻĒā§āϟ āĻ¸ā§āĻĨāĻžā§Ÿā§€ āĻšā§Ÿ āύāĻžâ€”āĻāχ āĻŦāĻŋāĻļā§āĻŦāĻžāϏ āĻĨ⧇āϕ⧇āχ āĻĒā§āϰāϤāĻŋāϟāĻŋ āĻ…āĻ§ā§āϝāĻžā§Ÿ āφāĻŽāϰāĻž “āϞāĻŋāϖ⧇ āĻļāĻŋāĻ–āĻŋ, āĻŦ⧁āĻā§‡ āĻļāĻŋāĻ–āĻŋ, āĻŦāĻŋāĻļā§āϞ⧇āώāĻŖ āĻ•āϰ⧇ āĻļāĻŋāĻ–āĻŋ” āĻĒāĻĻā§āϧāϤāĻŋāϤ⧇ āĻļ⧇āώ āĻ•āϰāĻŋāĨ¤

āĻāχ āϧāĻžāϰāĻžāĻŦāĻžāĻšāĻŋāĻ• āĻ…āύ⧁āĻļā§€āϞāύ āύāĻŋ⧟āĻŽāĻŋāϤ āϚāϞāĻŦ⧇, āχāύāĻļāĻžāφāĻ˛ā§āϞāĻžāĻšāĨ¤ āϟāĻžāĻ™ā§āĻ—āĻžāχāϞ⧇āϰ āϝ⧇ āϕ⧋āύ⧋ āĻ•āϞ⧇āĻœā§‡āϰ āĻļāĻŋāĻ•ā§āώāĻžāĻ°ā§āĻĨā§€â€”āϝāĻĻāĻŋ āϏāĻ¤ā§āϝāĻŋāĻ•āĻžāϰ⧇āϰ āĻ•āύāϏ⧇āĻĒā§āϟ āĻ•ā§āϞāĻŋ⧟āĻžāϰāĻŋāϟāĻŋ āϚāĻžāĻ“, āĻĒāϰ⧀āĻ•ā§āώāĻžā§Ÿ āφāĻ¤ā§āĻŽāĻŦāĻŋāĻļā§āĻŦāĻžāϏ āϚāĻžāĻ“, āϤāĻžāĻšāϞ⧇ āĻĻāϰāϜāĻž āĻ–ā§‹āϞāĻž āφāϛ⧇āĨ¤ āĻĒ⧜āĻž āĻšāĻŦ⧇ āĻ—āĻ­ā§€āϰāĻ­āĻžāĻŦ⧇, āϝ⧁āĻ•ā§āϤāĻŋ āĻĻāĻŋā§Ÿā§‡, āĻĒā§āϰāĻŽāĻžāĻŖ āĻĻāĻŋā§Ÿā§‡āĨ¤

āĻļ⧁āϧ⧁ āĻĒāĻžāϏ āĻ•āϰāĻžāϰ āϜāĻ¨ā§āϝ āύāĻžâ€”āĻĻāĻ•ā§āώ āĻšāĻ“ā§ŸāĻžāϰ āϜāĻ¨ā§āϝ āĻĒ⧜āĻžāχāĨ¤
āϝāĻžāϰāĻž āϏāĻŋāϰāĻŋ⧟āĻžāϏ, āϤāĻžāϰāĻž āύāĻŋāĻœā§‡āϰ āĻ–āĻžāϤāĻžāχ āĻāĻ•āĻĻāĻŋāύ āύāĻŋāĻœā§‡āϰ āĻĒāϰāĻŋāϚ⧟ āĻšā§Ÿā§‡ āωāĻ āĻŦ⧇āĨ¤

N.B: āĻāϰāĻ•āĻŽ āĻ—ā§‹āĻ›āĻžāύ⧋, āĻšāĻžāϤ⧇-āĻ•āϞāĻŽā§‡ āϞ⧇āĻ–āĻž, āĻŦ⧇āϏāĻŋāĻ• āĻĨ⧇āϕ⧇ āĻāύāĻžāϞāĻžāχāϏāĻŋāϏ āĻĒāĻ°ā§āϝāĻ¨ā§āϤ āĻĒā§‚āĻ°ā§āĻŖāĻžāĻ™ā§āĻ— āύ⧋āϟ āĻĒ⧇āϤ⧇ āφāĻŽāĻžāĻĻ⧇āϰ āϏāĻžāĻĨ⧇āχ āĻĨāĻžāϕ⧁āύāĨ¤

āĻāĻ–āĻžāύ⧇ āĻļ⧁āϧ⧁ āĻĒ⧜āĻžāύ⧋ āĻšā§Ÿ āύāĻžâ€”āĻĒā§āϰāϤāĻŋāϟāĻŋ āϞāĻžāχāύ āĻŦ⧁āĻāĻŋā§Ÿā§‡, āϞāĻŋāĻ–āĻŋā§Ÿā§‡, āϭ⧇āϙ⧇ āϭ⧇āϙ⧇ āĻ•āύāϏ⧇āĻĒā§āϟ āĻ•ā§āϞāĻŋ⧟āĻžāϰ āĻ•āϰ⧇ āĻļ⧇āĻ–āĻžāύ⧋ āĻšā§ŸāĨ¤
āϝāĻžāϰāĻž āϏāĻ¤ā§āϝāĻŋāĻ•āĻžāϰ⧇āϰ āĻŦ⧇āϏāĻŋāĻ• āĻŽāϜāĻŦ⧁āϤ āĻ•āϰāϤ⧇ āϚāĻžāĻ“ āĻāĻŦāĻ‚ āĻāĻ•āĻžāĻĄā§‡āĻŽāĻŋāĻ• āĻ“ āĻŦāĻŋāĻļā§āĻŦāĻŦāĻŋāĻĻā§āϝāĻžāϞ⧟ āĻĒā§āϰāĻ¸ā§āϤ⧁āϤāĻŋāϤ⧇ āĻāĻ—āĻŋā§Ÿā§‡ āĻĨāĻžāĻ•āϤ⧇ āϚāĻžāĻ“â€”āϤ⧋āĻŽāĻžāĻĻ⧇āϰ āϜāĻžā§ŸāĻ—āĻž āĻāĻ–āĻžāύ⧇āχāĨ¤

āϚāϞ⧋, āĻĒ⧜āĻžāĻļā§‹āύāĻžāϕ⧇ āϏāĻŋāϰāĻŋ⧟āĻžāϏāϞāĻŋ āύ⧇āχāĨ¤
āϞāĻŋāϖ⧇ āĻļāĻŋāĻ–āĻŋ, āĻŦ⧁āĻā§‡ āĻāĻ—ā§‹āχāĨ¤

ABDSIR — [email protected]
Academic email: [email protected] (Jahangirnagar University)

Abd Abdullah
Writer | Educator [Chemistry]
Lecturer, Department of Chemistry
Sristy College of Tangail - āϏ⧃āĻˇā§āϟāĻŋ āĻ•āϞ⧇āϜ

Compiled & Guided by:

Abd Abdullah
Lecturer, Chemistry
Sristy College of Tangail

Prepared by:

Muhammad Nafi Anas
Major General Mahmudul Hasan Adarsha College,
Tangail.
Email: - [email protected]

Students of HSC Chemistry 1st Paper (Chapter-3 Batch)

Reference:
NCTB Chemistry 2nd Paper (HSC Curriculum)
Chang & Goldsby, Chemistry (General Chemistry Standard Text)
Petrucci, Herring, Madura & Bissonnette, General Chemistry: Principles and Modern Applications
Atkins & Jones, Chemical Principles
Selected University Admission Question Analysis (BUET, DU, RU, JU Standard)

Photos from Pristine Chemistry - āĻĒā§āϰāĻŋāĻ¸ā§āϟāĻŋāύ āϕ⧇āĻŽāĻŋāĻ¸ā§āĻŸā§āϰāĻŋ's post 24/02/2026
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