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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. |
The oxidation number of Cl in NOClO4 |
| Answer» Cl is 13 | |
| 2. |
B2H6+H2O= |
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Answer» B(OH)3+H2 B2H6 +6H2O=2H3BO3 +6 H2 B(OH)3 +H2 |
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| 3. |
Define hybridization? |
| Answer» The process of intermixing of the orbital of slightly different energies so as to redistribute their energies,resulting in the formation of new set of orbital of equivalent energies and shape. | |
| 4. |
Define saytzeff\'s rule? |
| Answer» | |
| 5. |
why density of ice is less than water? |
| Answer» Because of there lattice!! | |
| 6. |
What is the molecular mass of sucrose? |
| Answer» | |
| 7. |
Relation bw cp and cv |
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Answer» Cp-cv=r Cp-cv=R Y=cp/cv Cp - Cv = r |
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| 8. |
Give conjugate acid and conjugate base for NH3 |
| Answer» NH4+,NH2- | |
| 9. |
What is electrochemical shell and series |
| Answer» This changes chemical energy to electrical energy | |
| 10. |
Ncert , thermodynamics ,chemistry , A swimmer coming out from a pool is covered .... |
| Answer» | |
| 11. |
What are friedel crafts reaction ?? |
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Answer» Ncert organic last page I don\'t know |
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| 12. |
What is the use of ZSM-5? |
| Answer» | |
| 13. |
What is fredial craft akaylilatiion |
| Answer» Benzene + R-X ------- Benzene-R + H-X in presence of anhydrous AlCl3.,? | |
| 14. |
Give a chemical test to difference alkane and alkene |
| Answer» With the help of bayer\'s reagent we can differentiate between alkane and alkene | |
| 15. |
What is the empirical formula of vitamin C ? How to find it? |
| Answer» | |
| 16. |
What is atomic no. Of iron |
| Answer» 28 | |
| 17. |
convert acetylene into but 2 yne |
| Answer» acitiline as Buet2 ene | |
| 18. |
What is chemistry ? |
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Answer» Chemistry is all about breaking and forming of bonds. Chemistry is chemistry.? |
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| 19. |
1.6 grm of calcium carbide on hydrolysis gives how much ml of acetylene at STP |
| Answer» | |
| 20. |
Which of the following molecules is super octet c02 cif3,so2 if 5 |
| Answer» | |
| 21. |
Properties of hydrogen peroxide |
| Answer» | |
| 22. |
What is ostwald dilution law? |
| Answer» Ostwald\'s dilution law is the application of the law of mass action to weak electrolytes in solution. ... Thus at constant temperature degree of dissociation of weak electrolyte is directly proportional to square root of its dilution. | |
| 23. |
Discuss the 4 type of organic reaction |
| Answer» | |
| 24. |
Mot |
| Answer» | |
| 25. |
S blok |
| Answer» Kya s block bhai | |
| 26. |
What are the mechanism of resonance |
| Answer» | |
| 27. |
What is meant by the term bond order in the Lewis concept ? |
| Answer» No. of bonds in a covalent compound. | |
| 28. |
Why seasons repeat |
| Answer» Season repeat due to revolution around sun again and again | |
| 29. |
How will we distinguish between ethane into ethene |
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Answer» Ethane means c2h6 and ethene means c2h2 Okk ethane Me single bond Hoga and ethene me double bond hota hai Okk prachii and ethane Me formula hai alkane ke liye tum padhe hogi CnH2n+2 and alkene ke formula CnH2n OK Issi pe set Hoga ye dono ethane and ethene aur ek bat chem ka koi bhi sawal mujhse Pucho I know everything Very simple |
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| 30. |
Find out the no.of H atom in 0.2 mole of CuSo4.5h2o |
| Answer» | |
| 31. |
Write four postulates of VSPER theory. |
| Answer» 1)the shape of a molecule depands upon the number of valance shell electron pair around the central atom 2)pairof electrons in the valence shell repel one another since the electron clouds are negatively charged3)the valence shell is taken as a sphere with electron pairs localising on the spherical surface at maximum distance from one another4)these pairs of electrons tend to occupy such position in space that minimise repulsion and that maximize distance between them5)a multiple bond is treated as if it is a single electron pair and the two or three electron pairs of a multiple bonds are treated as a single super pair | |
| 32. |
M. O. T. of O2 |
| Answer» | |
| 33. |
What is methanol |
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Answer» Aldehyde group ka hai ye HCHO is a methanal It is CH^3OH.it contains alcohol functional group |
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| 34. |
Convert ethyne to ethanol |
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Answer» Ethyne se ethene banao decarboxylation karke fir koh deke ethene bana lo uske Baad usme conc h2so4 de do ban jayega Very simple |
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| 35. |
Why is the aqueous solution of ammonium chloride acidic in nature.explain |
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Answer» NH4CL+H2O------NH3OH+HCL+H+ ion Because it produce H+ ion on dissolving in water so it is acidic in nature. Acidic nature me ammonium Kon as chapters ka hai ye sandhaya |
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| 36. |
Dihrogen as a fuel |
| Answer» | |
| 37. |
Cause of permanent and temporary hardness of water???? |
| Answer» | |
| 38. |
Bond |
| Answer» the force of attraction which holds the atom together with in a molecule is called chemical bond | |
| 39. |
How is empirical formula is obtained when the percentage composition of two elements are given |
| Answer» | |
| 40. |
How does hydrogen resemble with alkali metal? Explain in detail 6. Points |
| Answer» ~both have same electronic configuration that is ns1~both have electro positive character as both lose 1 electron to form it\'s cations~both have +1 oxidation no. .~both combines with electronegative element~both librates at cathode on electrolysics | |
| 41. |
Alkali metals are prepared by electrolysis of their fused chlorides |
| Answer» | |
| 42. |
define calgon\'s process to remove hardness of water |
| Answer» | |
| 43. |
Explain the test of unstaturation |
| Answer» | |
| 44. |
What is hess law |
| Answer» | |
| 45. |
IE2 of Mg is smaller than IE2 of Na .why? |
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Answer» *gas Yes, cuz removing 2 electrons from Mg will provide it Nobel vas configuration. |
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| 46. |
What is e effect |
| Answer» It is a temperory effect on pi bond . It comes into play at the demand of attacking reagent . It take place in the presence of acid or base.It is of 2 types:1-plus e effect.2-negative e effect. | |
| 47. |
How will you convert sodium benzoate into benzene ? |
| Answer» | |
| 48. |
what happen when co is treated with zno |
| Answer» co itselfs get oxidised to form co2 and reduces zno to zn metal | |
| 49. |
Which organism is first synthesised in laboratory |
| Answer» Urea | |
| 50. |
Electron rich hydrides |
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Answer» H2o NH3 |
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