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Chemistry - Solid State

Practise 3 IAT (IISER) previous year questions on Solid State, compiled from papers spanning 2018 to 2020. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty IAT (IISER) tests.

Solid State has been asked in 3 of the 9 years of IAT (IISER) papers analysed (2017–2026), with 3 questions in all. 33% of them were easy, 67% moderate and 0% tough. Most of its questions came from 2020, with 1 question that year. In the last three years (2023–2026) it had 0 questions across 3 papers, about 0 per paper.

The chapter's 2 topics are not weighted equally: Cubic system (2 questions, 67%) and Non-stoichiometric defects (1 question, 33%) have been asked the most.

Frequently Asked Questions

1.How many questions are available for Solid State?

This chapter includes 3 questions compiled from IAT (IISER) papers spanning 2018 to 2020.

2.Are these questions only from IAT (IISER), or from other exams too?

These are IAT (IISER) questions specifically for the Solid State chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Solid State an important chapter for IAT (IISER) Chemistry?

Solid State has appeared in 3 of the 10 years of IAT (IISER) papers covered here, with 3 questions across 3 papers - about one per paper it appears in.

4.What is the difficulty level of Solid State questions in IAT (IISER)?

Of the 3 questions analysed for this chapter, 33% are easy, 67% moderate and 0% tough. 2020 had the most, with 1 question.

5.Which topics in Solid State should I focus on?

These topics have carried the most weightage in Solid State:

  • Cubic system - 2 questions (67%)
  • Non-stoichiometric defects - 1 question (33%)
6.Is Solid State's weightage in IAT (IISER) going up or down?

Across all 3 papers analysed, Solid State has averaged about 1.0 questions per paper. In the last three years (2023–2026), that average has fallen, at about 0.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.