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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. |
How to find pH of 0.01MHCl |
| Answer» Negative log of 0.01 | |
| 2. |
What is le.chateliers principle? |
| Answer» If we change the factors like temperature, pressure, catalyst and concentration in a system at equilibrium, the system tries to nullify itself the effect of change. | |
| 3. |
Why he2 do not exit |
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Answer» He is already stable ,donot require to make bond? Nobel gas ,lone pair Lone pair |
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| 4. |
Derive the equation v=u+at. |
| Answer» a=(v-u)/tv-u=atv=u+at | |
| 5. |
Kya kisi ke pas last year ke paper hai |
| Answer» | |
| 6. |
What is Geometrical isomerism |
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Answer» However.GI deals with the spatial arrangments of the compounds. Open ncert Book once in your life.....You will get ur answer |
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| 7. |
Chemistry ka paper zadatar kisme se aata h ?? |
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Answer» Ncert Do not leave ncert books from studies you will get answer...? Ncert se bhai |
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| 8. |
Mass number is not equal to the sum of electrons ,protons and neutrons. Why? |
| Answer» Electrons has negligible mass 9.31×10^-31 kg.so not need to include in the sum of the two? | |
| 9. |
define nucleophil with example |
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Answer» Nucleus lover so negative charge Sorry it\'s nucleus Numerous loving are nucleophilic |
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| 10. |
state heisnberg uncertaintly pricipal |
| Answer» It states that it is impossible to determine the exact position and exact momentum of an electron ∆x ×∆p ≥ h/4π | |
| 11. |
KI3 ,H2S4O6,cao2,CrO5 oxidation no. |
| Answer» | |
| 12. |
what is relationship between taj Mahal and acid rain. and explain taj trapezium |
| Answer» Taj maha is being attacked by acid rain | |
| 13. |
How will obtained methne from sodium acetate |
| Answer» | |
| 14. |
Second law of thermodynamic |
| Answer» Enotrophy of universe is constant | |
| 15. |
Write balance equation for1.3F3+LiH=2.Nah+B2H6=3.Al+NaOH= |
| Answer» | |
| 16. |
Atomic weight of Cu |
| Answer» The answer of this question is cu= 63.546 | |
| 17. |
Can you ask me atomic weight of Cu |
|
Answer» Atomic weight of. Cu is this 63.546 Yes tell me what is atomic weight of cu |
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| 18. |
What are the driving force for spontaneity of process? |
| Answer» | |
| 19. |
What is the no.of carbon atom in 3.42 g sugar |
| Answer» 7.22×10^22 | |
| 20. |
Why diomond is not maded in round shape? |
| Answer» It may not show TIR | |
| 21. |
What is aqueous tension? |
| Answer» | |
| 22. |
Oxidation state of sulphur in carro\'s acid(H2SO5) |
| Answer» 8 | |
| 23. |
Derive the reaction between KP and KC.? |
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Answer» Kp=kc×RT^dn This is given in your book |
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| 24. |
Define carbene radical with an example |
| Answer» | |
| 25. |
H2O2 is dibasic why? |
| Answer» | |
| 26. |
Carbonic acid is unstable why? |
| Answer» | |
| 27. |
Calculate the molarity of pure water (density of water 1g/ml) |
| Answer» | |
| 28. |
What is the formula of borazene |
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Answer» It\'s not borazene it\'s borazine (BN)3H6 Its formula is B3H6N3. |
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| 29. |
What are electron- precise hydrides ? |
| Answer» Group 14 hydrides | |
| 30. |
Definition of black body |
| Answer» A body which absorbs all the radiations and does not emit anything is known as a black body. | |
| 31. |
What is inorganic benzene ...... |
|
Answer» B3N3H6 or inorganic benzene What is it\'s formula It\'s name is Borazine |
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| 32. |
Use molecular orbital theory to explain why the Ne2 molecule does not exist.? |
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Answer» Firstly draw the MOT diagram of Ne2 and calculate bond order.The bond order will be 0 hence this molecule does not exists. Neon is inert gas having full fill electron in valence shell |
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| 33. |
Co2 is soluble in Noah more than in water? |
| Answer» Because co2 is acidic in nature that\'s why it easily react with naoh( base) not to water whoes on value is 7 | |
| 34. |
which main shell permit the existance of g subshell 1st |
| Answer» | |
| 35. |
Passs kaise ho jau che me .. kl ex hai |
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Answer» Bhai logo bus elements ka naam yaad karlo, ye kafi hai Bhai mera bhi kal chemistry ka hai exam pure din se padh raha hu par phir bhi kuch nahi samajh nahi aya bhai mai hanuman chalisa hi padhunga Hanunaan chalisa? |
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| 36. |
Do anyone know the preparation of borazine |
| Answer» | |
| 37. |
How does a neutron differ from proton in which sample it is found |
| Answer» Neutron is neutral whereas Proton is positive | |
| 38. |
What are s block elements? |
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Answer» Those elements whose valence shell electrons are present in s- orbital are s- block elements. Group 1&2 r s block elements Having electronic configuration nS^1-2 type |
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| 39. |
What are the important topics for final exam to be learned |
| Answer» | |
| 40. |
Define inductive effect??? Plzzzzz answer I need it |
| Answer» It is an electronic effect due to polarisation of sigma bond within a molecule or ion . This is typically due to an electronegativity difference between the atoms at either end of the bond. | |
| 41. |
principle of chromatography |
| Answer» | |
| 42. |
What is the physical significance of vander waal\'s constant \'a\'? |
| Answer» The physical significance of Wonderwall constant a is that it tells about the magnitude of the forces of attraction and be tells about the magnitude of the size of the all the volume | |
| 43. |
define duma method |
| Answer» After the lesson extract method Duma method is one of the way to find the nitrogen in a given compound and this can be find by buy some processes that are given in the NCERT please refer that | |
| 44. |
Molality |
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Answer» Molality is defined as the number of moles of solute upon the number of mass of the solvent in kg Molality = no.of moles of solution/mass of solute |
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| 45. |
Why the radius of Galium is less than aluminium ? |
| Answer» Involment of d orbital | |
| 46. |
Define thermo dyanamic |
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Answer» Thermo(heat), Dynamic(motion) so it is the process in which transfer of heat is in motion it doesn\'t stay the process happening from system to surrounding or surrounding to system.... The process where know about heat transfer The process in which heat is exchanged during chemical process or physical process |
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| 47. |
Discuss geometry of sf4 and ccl3 |
| Answer» See here we need to find the hybridisation of both of them and according to me sf4 may have the SP3 hybridization or ccl3 have the hybridisation of SP2 and according to the chart given in the NCERT we can find the structure of geometry of these compounds | |
| 48. |
Define electron deficient compound |
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Answer» Electron deficient compounds are the compounds lacking the presence of electron An electron deficient compound is whose which have not enough electron to complete its octet they are electron acceptors.... |
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| 49. |
What is global warming and green house effect |
| Answer» | |
| 50. |
Write resonating struture of benzene for 1r |
| Answer» | |