HSC Chemistry 1st Paper MCQ Question Solution 2026

HSC Chemistry 1st Paper MCQ Question Solution 2026 (এইচএসসি ২০২৬ রসায়ন ১ম পত্র MCQ প্রশ্ন সমাধান) is available in this article for all boards for the Exam on 19th July 2026. If you would like to find the 100% correct answers for the HSC Roshayon Exam Questions, then you will find them on our website after finishing your examination at noon. Hope you will get the correct solution for today’s Chemistry examination. In this post, you will find HSC 2026 Roshayon 1st Paper Question Solve, HSC 2026 Chemistry 1st Paper Question PDF.

HSC Chemistry 1st Paper MCQ Question Solution 2026 (এইচএসসি ২০২৬ রসায়ন ১ম পত্র MCQ প্রশ্ন সমাধান)

The HSC 2026 Chemistry 1st Paper exam is scheduled for 19th July 2026. Students across Bangladesh are eagerly searching for reliable MCQ solutions, suggestions, and preparation strategies. This comprehensive article provides expert insights, important topics, sample MCQ solutions with explanations, and proven tips to help you secure an A+ in Chemistry 1st Paper. Whether you’re from Dhaka Board, Rajshahi, or any other board, this guide covers all boards under the uniform question pattern.

• Read Here: HSC Physics 1st Paper MCQ Question Solution 2026

Why the MCQ Section Matters in the HSC Chemistry 1st Paper

The Chemistry 1st Paper carries a total of 100 marks, with 25 marks dedicated to MCQs (25 questions, each worth 1 mark). MCQs test conceptual understanding, quick recall, and application of principles from chapters like Qualitative Chemistry, Periodic Properties of Elements, Chemical Changes, and more. A strong MCQ performance can significantly boost your overall score, as they are objective and less time-consuming than creative (CQ) questions.

• Check More: HSC Accounting 1st Paper MCQ Question Solution 2026

Key benefits of mastering MCQs:

• Quick scoring opportunity.
• Reinforces foundational concepts for CQ sections.
• Helps in time management during the exam.

HSC 2026 Chemistry 1st Paper Syllabus Overview (MCQ Focus)

The syllabus emphasizes core concepts from the NCTB curriculum. Major chapters for MCQ preparation include:

1. Chapter 1: Safe Use of Laboratory – Safety rules, hazard symbols, first aid.
2. Chapter 2: Qualitative Chemistry (গুণগত রসায়ন) – Cations, anions, identification tests, reactions.
3. Chapter 3: Periodic Properties of Elements (মৌলের পর্যায়বৃত্ত ধর্ম) – Modern periodic table, ionization energy, electronegativity, atomic radius trends.
4. Chapter 4: Chemical Changes (রাসায়নিক পরিবর্তন) – Oxidation-reduction, stoichiometry, reaction types.
5. Chapter 5: Applied Chemistry (কর্মমুখী রসায়ন) – Industrial processes like fertilizer, cement, soap, glass manufacturing.

Focus on high-yield topics: periodic trends, redox reactions, qualitative analysis tests, and stoichiometry calculations.

Short Description of HSC Chemistry 1st Paper Exam 2026

এইচএসসি ২০২৬ রসায়ন ১ম পত্র MCQ প্রশ্ন সমাধান

এখানে আপনারা এই বছরের সকল বোর্ডের নিয়মিত ও অনিয়মিত রসায়ন প্রথম পত্রের প্রশ্ন ও উত্তর পাবেন। আজকের পরীক্ষা শেষ হওয়ার পর, আমরা যত তাড়াতাড়ি সম্ভব সঠিক সমাধান আপলোড করে দেব। ততক্ষণ পর্যন্ত আমাদের সাথে সংযুক্ত থাকুন। ধন্যবাদ

All Board HSC Chemistry 1st Paper MCQ Question Solution 2026

Here you will get all the boards’ regular and irregular Chemistry 1st paper questions and answers. After finishing today’s examination, we will upload the correct solution as soon as possible. Until then, stay connected with us.

HSC Chemistry 1st Paper Question 2026

HSC Chemistry 1st Paper MCQ Question 2026

Sample MCQ Questions with Solutions & Explanations (2026 Exam-Oriented)

Here are curated sample MCQs based on board trends and important concepts. Practice these for strong preparation.

Q1: Which of the following is the correct order of ionization energy? (a) Li > Be > B > C (b) Be > B > Li > C (c) C > Be > B > Li (d) Be > Li > B > C

Answer: (d) Be > Li > B > C Explanation: Ionization energy generally increases across a period due to increasing nuclear charge. However, Be has a higher IE than B because of its stable, fully filled 2s² subshell. This is a classic exception in periodic properties.

Q2: In qualitative analysis, which reagent is used to identify the Fe³⁺ ion? (a) NH₄SCN (b) NaOH (c) BaCl₂ (d) AgNO₃

Answer: (a) NH₄SCN Explanation: Ferric thiocyanate complex gives a blood-red color, a standard confirmatory test for Fe³⁺ in qualitative chemistry.

Q3: The oxidation number of Cr in K₂Cr₂O₇ is: (a) +6 (b) +7 (c) +3 (d) +4

Answer: (a) +6 Explanation: Let the oxidation number of Cr be x. 2(+1) + 2x + 7(-2) = 0 → 2 + 2x – 14 = 0 → 2x = 12 → x = +6. Redox concepts are crucial for MCQs.

Q4: Which element has the highest electronegativity? (a) Fluorine (b) Chlorine (c) Oxygen (d) Nitrogen

Answer: (a) Fluorine Explanation: Electronegativity increases across a period and decreases down a group. Fluorine is the most electronegative element (Pauling scale 4.0).

Q5: The reaction 2H₂ + O₂ → 2H₂O is an example of: (a) Combination reaction (b) Decomposition reaction (c) Displacement reaction (d) Double displacement

Answer: (a) Combination reaction. Explanation: Two or more substances combine to form a single product. Understanding reaction types aids stoichiometry MCQs.

Additional High-Probability MCQ Topics:

• Bohr model limitations and applications.
• Quantum numbers and electron configuration.
• Trends in atomic/ionic radius.
• Identification tests for common anions (Cl⁻, SO₄²⁻, CO₃²⁻).
• Industrial preparation of ammonia (Haber process) and sulfuric acid.

Expert Tips for HSC Chemistry 1st Paper MCQ 2026

1. Time Management: Allocate 20-25 minutes for the MCQ section. Read questions carefully to avoid silly mistakes.
2. Practice Previous Years: Solve board questions from 2018-2025. Patterns repeat frequently.
3. Concept Clarity Over Rote Learning: Understand “why” behind reactions and trends.
4. Use Mnemonics: For qualitative analysis tests and periodic trends.
5. Mock Tests: Take full-length timed tests daily in the last week.
6. Common Pitfalls: Watch for exceptions in periodic properties (e.g., half-filled subshells) and unit conversions in stoichiometry.
7. Revision Strategy: Revise short notes on reactions, formulas, and exceptions one day before the exam (19th July).

Post-Exam Question Solution Expectations

After the exam on 19th July 2026, official or reliable solved papers from trusted platforms like Satt Academy, educational YouTube channels, and coaching centers will be available within hours. Search for “HSC Chemistry 1st Paper MCQ Solution 2026 All Boards” for Dhaka, Rajshahi, etc.

Compare your answers with multiple sources for accuracy. Many students use these solutions to estimate marks early.

Resources for Further Preparation

• NCTB textbooks and guidebooks.
• Online platforms offering chapter-wise MCQ banks.
• Video lectures on one-shot MCQ revisions (highly recommended for last-minute prep).

Final Words

Success in HSC 2026 Chemistry 1st Paper depends on consistent practice, conceptual depth, and smart revision. With the exam on 19th July, focus on high-weightage MCQ topics today. Stay calm, revise key points, and attempt all questions confidently. This article is designed as a complete resource hub. Bookmark it and share with fellow HSC candidates. For model tests, PDF suggestions, and live updates, visit reputable education sites.

Best of luck to all HSC 2026 examinees! May you achieve your dream GPA. Keep practicing, and Chemistry will reward your efforts.