51 Most Important Question Bank of Chemistry for Maharashtra HSC Board Exam 2018

We have created a 51 Most Important Question Bank which will help students in scoring good marks in HSC Board Exams. HSC Board Exams are fast approaching and students are getting anxious about how to prepare for their HSC Board Exams. So we had mentioned some HSC Study Tips to help students in Cracking HSC Exams.

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After the tremendous success of our past years Important Questions Bank for Maharashtra HSC Board Exam 2016 and  Most Important Questions Bank for Maharashtra HSC Board Exam 2017 ,we have created 51 Most likely question for HSC Board 2018.

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Chemistry Important Question Bank 2018

  1. Distinguish between crystalline solid and amorphous solid.
  2. What is pseudo first order reaction? Give an example for the same.
  3. Write cell reactions in lead storage battery during discharge.
  4. Mention names and formulae of two ores of aluminum.
  5. What is calcination? Explain it with reactions.
  6. Draw neat and labelled diagram of dry cell.
  7. Explain impurity defect in stainless steel with diagram.
  8. Explain the structure of Sulphur dioxide.
  9. What is Enthalpy of fusion and Enthalpy of atomization?
  10. What is ferromagnetism? Iron is strongly ferromagnetic. Explain.
  11. Explain graphical method to determine activation energy of a reaction.
  12. Define boiling point. Write the formula to determine molar mass of a solute using freezing point depression method.
  13. What are Ellingham diagrams? Write the features of it.
  14. Explain the relationship between Gibb’s standard energy change of the reaction and equilibrium constant.
  15. Write the Nernst equation and explain the terms involved.
  16. Calculate the mole fraction and molality of HNO3 in a solution containing 12.2% HNO3.
  17. What is the action of excess of air on ammonia?
  18. Define osmosis.
  19. Explain how does nitrogen exhibit anomalous behavior amongst group 15 elements.
  20. Sucrose decomposes in acid solution into glucose and fructose according to the first order rate law t1/2 is equal to 3 hours. What fraction of the sample of sucrose remains after 8 hours?
  21. Define cell constant. Draw a neat and well labelled diagram of primary reference electrode.
  22. Write the reactions involved in large scale preparation of Nitric Acid.
  23. State the third law of thermodynamics. Write applications of standard molar entropy. Also, draw neat labelled diagram of electrolytic refining of blister copper.
  24. Write four points of differences between properties of nitrogen and other elements of group 15.
  25. What are neutral oxides? Explain the nature of zinc oxide with the help of the reactions.
  26. How is ethanol prepared from methanol by using Grignard reagent?
  27. Write the chemical reaction to prepare novolac polymer.
  28. Why does p-nitrochlotobenzene undergo displacement reactions readily with attack of nucleophilic HO ion
  29. Define antioxidants and mention two examples.
  30. Write in the structure and IUPAC name of ‘methyl-n-propyl ether’
  31. What are hormones? Write the structure of simple triglycerides.
  32. Define complex lipids and write the structures of nucleotide and nucleoside.
  33. How is 4-methylpent-3-en-2 one obtained from propan-2-one?
  34. Explain the mechanism of cleansing action of soaps.
  35. Explain any two chemical methods of food preservation.
  36. Write a short note on Hoffmann bromamide degradation.
  37. Write the different oxidation states of manganese. Why +2 oxidation state of manganese is more stable
  38. Explain with examples, branched and linear polymers.
  39. Write a note on Friedel Craft’s acylation.
  40. What are antibiotics? Give examples.
  41. How are proteins classified on the basis of molecular shapes?
  42. Write a note on Gabriel phthalimide synthesis. What are biodegradable polymers and non-biodegradable polymers?
  43. Define lanthanoid contraction. Explain its effects.
  44. Define carbohydrates. What are reducing and non-reducing sugars?
  45. How is ethyl amine prepared from methyl iodide?
  46. Define ligand. Write four postulates of potassium dichromate from chrome iron ore.
  47. What is metamerism?
  48. What are the sources of Vitamin C and Vitamin K?
  49. Explain any two chemical methods of food preservation.
  50. Write four points of distinction between Lanthanoids and Actinoids.
  51. How is Benzonitrile converted to Benzophenone?

 

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Maharashtra HSC Board Exam – Important Question Bank 2018

 

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