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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. |
Salvey process |
| Answer» | |
| 2. |
Why boric acid consider as weak acid |
| Answer» Because it can not release H+ ion on its own . It take oH- ion to complete its octate | |
| 3. |
State Pauli exclusion principal |
| Answer» Only two e- in atom can have same sets of all four quantum number | |
| 4. |
Isolated system delta U=0 then delta S is ? |
| Answer» 1 Kyoki 0 ke bad 1 at he | |
| 5. |
Boyle\'s temperature |
| Answer» The temperature at which real gas obeys ideal gas law over a range of pressure is called Boyle\'s temperature or point | |
| 6. |
Common ion effect |
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Answer» It is defined as the shift in equilibrium on adding a substance that provides more of an ionic species already present in the dissociated equilibrium Some of the salt will be precipitate until the ion product is equal to tha solubility product |
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| 7. |
Why Graphite is used as lubricant why not lead |
| Answer» Coz graphite has a loose and unstable structure | |
| 8. |
What is the important of iupac |
| Answer» To give names to elements which are found on earth... | |
| 9. |
What is open system and closed system |
| Answer» Open system is directly connect with surrounding both heat and matter can exchange but in close inly heat can exchange.. | |
| 10. |
What is carbocation? |
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Answer» Positive charge on carbon is carbonation it is an electrophile Carbocation is a positively charged carbon |
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| 11. |
What is formal charge. |
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Answer» Formal charge = valence electrons - (loan pair e) -1/2 (total no of bonding e) Charge associated with an atom/molecule in a compound. |
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| 12. |
Transition metals show variable oxidation states |
| Answer» | |
| 13. |
What is the effect of temperature on viscosity of liquids and why? |
| Answer» Tem Inc viscosity dec | |
| 14. |
Solubility and solubility products with their applications . |
| Answer» | |
| 15. |
How would you justify the presence of 18 elements in the 5th period of the periodic table? |
| Answer» 5th h iska matlab n=5 h so,l=3 | |
| 16. |
What is the difference between our home salt and laboratory\'s salt.? |
| Answer» | |
| 17. |
What are the different region of atmosphere ? Explain each of them briefly |
| Answer» | |
| 18. |
What is electrode potential. Plz explain. |
| Answer» | |
| 19. |
Solubility and solubility products with their applications. |
| Answer» | |
| 20. |
State the law of multiple proportions |
| Answer» | |
| 21. |
What is spontaneity and it\'s relation with entropy change? |
| Answer» | |
| 22. |
Applications of Hess law ?? |
| Answer» | |
| 23. |
What is the mass of carbon 12 |
| Answer» | |
| 24. |
Explain dipole moment of nh3 |
| Answer» Dipole moment of NH3 is higher than NF3..In case of dipole moment of NH3 the electron shifting is towards the more electronegative element nitrogen...and thats why the dipole moment of NH3 is high. | |
| 25. |
What does equilibrium constant K is less than 1 indicates |
| Answer» It means that the concentration of reactants are greater than that of products which implies that the reaction is proceeding towards backward? | |
| 26. |
Give the iupac name of \'Y\' and \'E\' |
| Answer» | |
| 27. |
Describe the hybridization in sf6. |
| Answer» sp3d2 | |
| 28. |
Did anybody knows the grace system in 11 cbse |
| Answer» | |
| 29. |
Explain the variation of first ionization energy in F,O,N and C |
| Answer» | |
| 30. |
O nitrophenol and p nitrophenol has higher boiling point why |
| Answer» Bcoz of their position in cycle | |
| 31. |
Define intermolecular and intra molecular |
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Answer» Intermolecular means between 2 molecules but intramolecular means within a moleculeGenerally these 2 terms are used for forces Intermolecular means one . intermolecular means different Ok |
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| 32. |
Boric acid definition |
| Answer» | |
| 33. |
Out of BF3 and NH3 which have zero dipole moment and?why? |
|
Answer» BF3 have zero dipole momemt because its resultant cancles out But of NH3 the resultant is all towards nitrogen so it doesn\'t cancels.. *bf3 Btw has zero dipole moment |
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| 34. |
H2so7 |
| Answer» | |
| 35. |
Using s,p,d notation describe orbital -(1) n=3 , l=1, m=0 |
| Answer» | |
| 36. |
What is in exchange method? |
| Answer» | |
| 37. |
Differentiate between conduction, convection and radiation |
| Answer» Conduction in which heat is transferred through vibrationRadiation in which heat is transferred through mediumConvection in which heat is transferred through transfer of molecule | |
| 38. |
why bohrs orbit called stationary states? |
| Answer» | |
| 39. |
why is an organic compound fused with sodium for testing halogen, nitrogen, sulphur and phosphorus |
| Answer» | |
| 40. |
Give three difference between 3p and 4p subshell |
| Answer» | |
| 41. |
N+1 rule |
| Answer» | |
| 42. |
hybridization structure of H2O |
| Answer» | |
| 43. |
Which acid is not present in acid rain |
| Answer» | |
| 44. |
Molar heat capacity? |
| Answer» | |
| 45. |
why melting point of cis 2 butene is lower than trans 2butene |
| Answer» Due to the interection b/w similar groups at one side of the cis-2-butene | |
| 46. |
C6H12 structure |
| Answer» | |
| 47. |
describe about stability of carbocations |
| Answer» | |
| 48. |
What do you mean by green chemistry? |
| Answer» It refers to the technology that reduces the use of harmful chemicals or the ways to replace them with organic things. | |
| 49. |
What is common ion effect. Explain with example? |
| Answer» | |
| 50. |
SI unitbof pressure |
| Answer» N/m^2 (Pascal) | |