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CBSE 12th Standard Chemistry Subject The Solid State Ncert Exemplar 1 Mark Questions With Solution 2021

Published on: 25/05/2021

QB365 Provides the updated NCERT Exemplar Questions for Class 12, and also provide the detail solution for each and every NCERT Exemplar questions. NCERT Exemplar questions are latest updated question pattern from NCERT, QB365 will helps to get more marks in Exams

Download CBSE Class 12th Standard CBSE Chemistry question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 12th Standard CBSE Chemistry

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Std: 12th Standard CBSE - Chemistry

chapter: - NCERT Exemplers

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Questions:

1 Marks

5 x 1 = 5

What happens when a ferromagnetic or anti-ferromagnetic or a ferrimagnetic solid is heated?

Which point defect in crystals of a solid does not change the density of the solid?

Name the type of point defect that occurs in a crystal of zinc sulphide.

What is F-centre?

What is the difference between 13-15 and 12-16 compounds?

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Answers Key:

1 Marks

5 x 1 = 5

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It changes into paramagnetic at some temperature.

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Frenkel defect

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Frenkel defect

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The site where electron is entrapped in the anion vacancy is called F-centre.

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Group 13-15 compounds such as AIP, GaAs, ect.have large covalent character but Group 12-16 compounds such as ZnS, cDs,HgTe, etc. do not have perfect covalent bonds but possess sufficient ionic character. However, all of them are semiconductors.