11 year papers

The Solid State CBSE Class 12 PYQ Chapter Wise (2016–2026)

The Solid State CBSE Class 12 PYQs: all 8 questions from 50 official papers (2016–2026), by concept. Asked in 4 of 10 years; last in 2019.

Updated2 min read
Full name
CBSE Class 12 Board Examination
Conducted by
Central Board of Secondary Education
Frequency
Annual board exams (as notified)
Sections
Subject-wise theory papers (as opted)
Official site
cbse.gov.in ↗

Explore: All CBSE Class 12 chapters · CBSE Class 12 Chemistry PYQs · CBSE Class 12 hub · Syllabus & pattern · Class 12 2026

Answer first

The Solid State PYQs (previous year questions) for CBSE Class 12: The Solid State (Chemistry) had 8 questions across the 50 official CBSE Class 12 papers we tagged (2016–2026), and appeared in 4 of them. Asked in 4 of 10 years; last in 2019. The concepts asked in the most papers: Unit Cell Calculations, Crystal Defects, Classification of Solids.

Year-wise question count

Asked in 4 of 10 years.

Most-asked concepts

Sorted by the number of papers a concept appeared in.

ConceptQuestionsPapersYears
Unit Cell Calculations442019, 2018, 2017, 2016
Crystal Defects332019, 2018, 2016
Classification of Solids112017

How to practise The Solid State PYQs

  1. Start with the concepts at the top of the table. They have come back the most.
  2. Solve one year’s The Solid State questions from the official PDF against the clock, then check the answer listed below.
  3. Log every miss as a concept gap, a calculation slip or a misread. Each needs a different fix.
  4. Once a concept is clean in two papers, move to the next. Then sit a full paper from the year pages.

Questions by year

Each line gives the question number and paper, type, concept, our one-line summary, with a link to the official PDF.

CBSE Class 122019

  • Q.1 (Chemistry (56/1/1)) · Very short answer · Crystal Defects: Which of NaCl and AgCl shows Frenkel defect and why PDF
  • Q.15 (Chemistry (56/1/1)) · Short answer · Unit Cell Calculations: Number of atoms in 108 g of an fcc element from edge and density PDF

CBSE Class 122018

  • Q.1 (Chemistry (56/1)) · Very short answer · Crystal Defects: Reason for non-stoichiometric Fe0.95O composition PDF
  • Q.12 (Chemistry (56/1)) · Short answer · Unit Cell Calculations: Density and number of unit cells for an fcc element PDF

CBSE Class 122017

  • Q.7 (Chemistry (56/1)) · Short answer · Unit Cell Calculations: Number of unit cells in 8.1 g of fcc aluminium PDF
  • Q.11 (Chemistry (56/1)) · Short answer · Classification of Solids: Classify SiC and argon, ZnO colour on heating, 12-16 compounds PDF

CBSE Class 122016

  • Q.3 (Chemistry (56/1/N)) · Very short answer · Crystal Defects: Why zinc oxide turns yellow when heated PDF
  • Q.11 (Chemistry (56/1/N)) · Short answer · Unit Cell Calculations: Number of atoms in 280 g of an fcc element from edge length and density PDF

Other Chemistry chapters

FAQ

How many The Solid State questions come in CBSE Class 12?

In the official papers we tagged: 2 in 2019, 2 in 2018, 2 in 2017 and 2 in 2016. Not asked in the other 6 years. That is 8 questions in all, about 3% of Chemistry.

Which The Solid State topics repeat in CBSE Class 12?

Asked in the most papers: Unit Cell Calculations, Crystal Defects, Classification of Solids. The concept table lists every one with its count.

Are these official CBSE Class 12 questions?

Yes. Every question is from an official CBSE Class 12 paper hosted on our year pages. The one-line summaries are ours; open the PDF linked beside each question for the full text.