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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
relation between ∆h∆u |
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| 2. |
Boron is unstable to form bf63– why? |
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| 3. |
What is threshold energy? |
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| 4. |
Explain hcl is Covalent but ionises in solution |
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| 5. |
Can u giv Blue print of chemistry |
| Answer» Here. In this app I think otherwise u can goggle | |
| 6. |
Hess\'s law |
| Answer» Change in enthaly of a reaction is same whether the reaction is completed in one step or several steps???? | |
| 7. |
Naming of IUPAC |
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| 8. |
What is hard water and soft water |
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Answer» Hard water: presence of calcium and magnesium salts in the form of hydrogencarbonate,chloride,and sulphate in water makes water hard . hard water does not givr lather with soap . they form scum/precipitate with soap .soft water:- water free from soluble salts of calcium and magnesium is called soft water . they gives lather with soap and doesn\'t form scum / precipitate Hard water contain salts of potassium and mySoft water is that which not hard water |
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| 9. |
Why H 2+ more stable than H2-? |
| Answer» Becoz he is stronger | |
| 10. |
What is Zeolites? |
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Answer» Jiolights They are jio jio light ab to jio lyf ki torch matlb light bhi nikal raha hai |
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| 11. |
How to name a hydrocarbon and what is the procedure of its counting |
| Answer» Go to nersary class to learn countings | |
| 12. |
Molecular wt ofco |
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| 13. |
Question 17 chapter 1 |
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| 14. |
Why carbon shhw continuation |
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Answer» Because carbon are tetra valent and catenation show property Because of tetravalency |
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| 15. |
Explain the different types of hydrogen bonds with examples |
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Answer» Ghanta hoga ye Are u guru randhawa\'s brother ? Abcd |
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| 16. |
Resonance in green house effect |
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| 17. |
What is homolytic fission |
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Answer» chemistry, homolysis (from Greek ὅμοιος, homoios, "equal," and λύσις, lusis, "loosening") or homolytic fission is chemical bond dissociation of a molecule by a process where each of the fragments retains one of the originally bonded electrons. In simple word, the dissociation of a molecule into two neutral fragments. |
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| 18. |
Which has the largest no. Of atoms -1g li and 1g na |
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| 19. |
No sufficient notes are provided in revision notes |
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Answer» ☺☺???? Hey actually my result came of11 ,I am at 1st position Yes?? but my11 is completed now.But in12?? So what u can do now Yes you are true...Some notes even do not have important information. |
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| 20. |
borax |
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Answer» But correct formula is Na2(B4 O5 [OH]4).8H2O Na2. B4. O7. 10. H2o |
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| 21. |
Describe the Rutherford reaction |
| Answer» He take a gold foil nd take helium nd the electrons of helium strike on the gold foil nd this shows the property | |
| 22. |
Describe the extraction of copper |
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| 23. |
what is s-block elements |
| Answer» elements in which the last electron enters in the s-shell | |
| 24. |
Explain the Valence bond theory? |
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| 25. |
Cation is always smaller then it\'s parents atom |
| Answer» Because in cation number of electron are less than number of protons so effective nuclear charge Increases and size of cation decrease. | |
| 26. |
Give the relationship between triangle U and triangleH for gases |
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| 27. |
Why chlorine is present in diatomic state |
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Answer» High ionisation energy, highly reactive to gain stability Uski merji |
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| 28. |
Physical significance if Vander waals parameters |
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| 29. |
Hexyne |
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Answer» Ocktey coktey phoctey abhishek Hexyne is alkyne having 6 Carbon atoms.General formula for alkynes:- Cn H2n+2Put n=6 you get C6 H14Structure:- CH(triple bond)C-CH2-CH2-CH2-CH3 Oktey coktey |
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| 30. |
Kolbe reaction |
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| 31. |
What is electrochemical series |
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| 32. |
What is hybridsiation |
| Answer» intermixing of orbitals please call hybridization .different orbitals intermix with each other to form more stable structure of molecule | |
| 33. |
write iupac name of following compounds-1. ch3-chcl-chno2-cho2. ch3-ch2-cn |
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| 34. |
convert 2-3 dimethyl 2 butane into propanal . |
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| 35. |
Aromatic and aromaticity |
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| 36. |
Kolbe\'s electrolysis |
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| 37. |
How will you separate a mixture of o- nitrophenol and p- nitrophenol ? |
| Answer» Reqd appendix of chemistry ncert | |
| 38. |
Draw cis and trans isomer of CHCL=CHCL |
| Answer» CISH-------C======C-----------H ! ! ! ! Cl ClTransCl----------C========C-----------H ! ! ! ! H. ClCIS : same type of atom on same side Trans: same type of atom on different side | |
| 39. |
What is critical temperature |
| Answer» It is temperature above which a substance cannot be found in liquid form how much ever pressure u apply | |
| 40. |
How we can separate o-nitrophenol to o-nitrophenol? |
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| 41. |
Define Sayat zeff\'s rule? |
| Answer» It\'s setjeff\'s rule btw....this rule is basically to determine the major product ....accd to this rule the two carbon atoms which r connected by double bond ,that one is the major product which is Maximum alkylated on both sides of the double bond. | |
| 42. |
what is duma method |
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| 43. |
What are oxo acids |
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| 44. |
What is Gibbs energy |
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| 45. |
Do questions from 1st part of atomic stricture come in exam |
| Answer» Yes...every topic is important | |
| 46. |
Why PbCl4 is less stable than SnCl4? |
| Answer» Because pb has mainly oxidation no 2 . Because of inert effect. So it form pbCl2 . And not pbcl4 | |
| 47. |
Petrochemicals |
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| 48. |
Give the answers of last year\'s paper questions |
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| 49. |
Exaplain rutherford experiment observation |
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| 50. |
otp |
| Answer» One time password | |