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After the tremendous success of Important Questions Bank HSC (12th Std) Board Exam 2016, 2017 and 2019 we have also created a list of Most Important Questions Bank for CBSE Class XII (HSC) Board Exam 2020 which are likely to appear in HSC Board Exams this year.
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CHEMISTRY- IMPORTANT QUESTION BANK
|1.What is semiconductor? What are the types of semiconductor?|
2. Explain briefly anisotropic substances.
3. Define Ferrimagnetisms with an example.
4. Explain point defect. What is the difference between stoichiometric and nonstoichiometric?
5. Show a structure of polypropene.
6. How sulphure in vapour state exhibits par magnetism?
7. Distinguish between poison and promoters.
8. Explain the law of Raoult’s law stating positive and negative deviation.
9. What is the reason of gases tend to be less soluble in liquid when the
temperature is raised?
10.Explain briefly semimolar.
11.Explain briefly decimolar.
12.Explain Anionic detergent.
13.Explain half-life period of reaction.
14.Convert Ethanol to ethane.
15.Write a note on negative standard electrode potential.
16. Which cell is used in hearing aids?
29.Write a note on food preservatives.
32.Distinguish between thermosetting polymers and thermoplastic polymers.
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