ISC Chemistry Exam 2026 LIVE: Most Important Questions; Weightage & Formulas

Angana Nath

Updated On: February 21, 2026 04:20 PM

The ISC Chemistry Exam 2026 is on February 23, 2026, from 2 PM to 5 PM, worth 70 marks. It has 4 sections and 21 questions in total. Section A has 14 one-mark questions, while Sections B, C, and D offer internal choices. Candidates should focus on revising high-weightage topics for last-minute preparation.
ISC Chemistry Exam 2026ISC Chemistry Exam 2026

ISC Chemistry Exam 2026 : As you know, the ISC Chemistry 2026 exam is knocking at the door, and the candidates should utilize this golden hour wisely. Do not learn any new topics, instead revise the already learned chapters. Candidates are advised to revise the high-weightage topics more with extra attention during their last-minute preparation. The ISC Chemistry Paper 1 theoretical exam will be held on February 23, 2026, from 2 PM to 5 PM . The ISC Paper 1 Chemistry exam is worth 70 marks and is divided into four sections, with 21 questions. Section A has 14 subparts, and each question is worth 1 mark. Sections B, C, and D have 10 questions, 7 questions, and 3 questions, respectively. Candidates will get internal choices provided in Sections B, C, and D. Candidates will get marks as per the sectional weightage if they correctly answer the questions. Note that no negative marking is there for the incorrect answers.

ISC Chemistry Exam 2026: Important Highlights

Here are the major highlights related to the ISC Chemistry 2026 exam:

Particulars

Details

ISC 12th exam date 2026

February 23, 2026 (Monday)

ISC Class 12 exam time

In the afternoon, from 2 PM to 5 PM

Total marks

70 marks

Total sections

4 sections

  • Section A
  • Section B
  • Section C
  • Section D

Section-wise questions asked

  • Section A: 14 questions
  • Section B: 10 questions
  • Section C: 7 questions
  • Section D 3 questions

Section-wise marks distribution

  • Section A: 14 marks
  • Section B: 20 questions
  • Section C: 21 questions
  • Section D 15 questions

Number of questions asked

1 mark, 2 marks, 3 marks, and 5 marks

Note that before starting the exam, the candidates will be given Chemistry questions to read at 1.45 PM. They will not be allowed to start answering before 2 PM.

LIVE

ISC Chemistry Exam 2026 LIVE

  • 04 20 PM IST - 21 Feb'26

    Quick Revision Checklist in Golden Hour

    BranchesRevision Checklist 
    Organic Chemistry SN1 vs SN2 mechanisms and name reactions
    Physical ChemistryNernst Equation and Integrated Rate Laws for numericals
    Inorganic ChemistryIUPAC naming for coordination compounds and the properties of KMnO₄/K₂Cr₂O₇

     

  • 04 00 PM IST - 21 Feb'26

    What is the Branch-Wise Marks Distribution?

    BranchWeightage
    Organic Chemistry31 marks
    Physical Chemistry25 marks
    Inorganic Chemistry14 marks

     

/articles/isc-chemistry-exam-2026-live-updates/

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