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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. |
If we consider 1 and 2 as priority then which of the following is E? |
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Answer» If we consider 1 and 2 as priority then which of the following is E? |
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| 2. |
pKIn of the indicator(behaving as weak acid) is 10. At the equivalence point pH is A. 5 B. 10 C. 7.5 D. 7 |
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Answer» pKIn of the indicator(behaving as weak acid) is 10. At the equivalence point pH is A. 5 B. 10 C. 7.5 D. 7 |
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| 3. |
The molecular weight of the final product 'C' in the following sequence is g/mol. |
Answer» The molecular weight of the final product 'C' in the following sequence is g/mol. |
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| 4. |
36.Oxidation number of K in KClO3 |
| Answer» 36.Oxidation number of K in KClO3 | |
| 5. |
Fe2(CO)9 is diamagnetic. Which of the followingreasons is correct?(a) Presence of one CO as bridge group(b) Presence of monodentate ligand(c) Metal-metal (Fe-Fe) bond in molecule(d) Resonance hybridization of CO |
| Answer» Fe2(CO)9 is diamagnetic. Which of the followingreasons is correct?(a) Presence of one CO as bridge group(b) Presence of monodentate ligand(c) Metal-metal (Fe-Fe) bond in molecule(d) Resonance hybridization of CO | |
| 6. |
What is the trend of solubility of group 17 elements across the group and explain the reason? |
| Answer» What is the trend of solubility of group 17 elements across the group and explain the reason? | |
| 7. |
34.Zno----zn2+ o2 + e This come under metal excess defect. Does metal excess defect occurs only in oxides of metal. Also what type of compounds show this defect. |
| Answer» 34.Zno----zn2+ o2 + e This come under metal excess defect. Does metal excess defect occurs only in oxides of metal. Also what type of compounds show this defect. | |
| 8. |
Why sky will be in blue colour ? |
| Answer» Why sky will be in blue colour ? | |
| 9. |
Mass number of Ne2 |
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Answer» Mass number of Ne2 |
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| 10. |
44 Calculate the number of geometrical isomers of CH2-CH-CH=CH-CH=CH2 |
| Answer» 44 Calculate the number of geometrical isomers of CH2-CH-CH=CH-CH=CH2 | |
| 11. |
In the sulphonation of benzene, the active electrophilic species is: |
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Answer» In the sulphonation of benzene, the active electrophilic species is: |
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| 12. |
Retrouvez les noms et dessinez - les.1. ornluja2. hctalosco3. ijbou4. upej5. lgheroo |
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Answer» Retrouvez les noms et dessinez - les. 1. ornluja 2. hctalosco 3. ijbou 4. upej 5. lgheroo |
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| 13. |
Weight of oxygen: weight of SO2=1:3.In a3L container at27^°c,if partial pressure of O2=06atm. What is the concentration OF SO2 in the container? |
| Answer» Weight of oxygen: weight of SO2=1:3.In a3L container at27^°c,if partial pressure of O2=06atm. What is the concentration OF SO2 in the container? | |
| 14. |
The vapour density of a mixture containing NO2 and N2O4 is 38.3 at 27^°C. Calculate the mole no of NO2 in 100g mixture. |
| Answer» The vapour density of a mixture containing NO2 and N2O4 is 38.3 at 27^°C. Calculate the mole no of NO2 in 100g mixture. | |
| 15. |
What is the coordination number of O2- and Ti4+ in rutile structure? |
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Answer» What is the coordination number of O2- and Ti4+ in rutile structure? |
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| 16. |
The substance which reduces a compound is called reducing agent? |
| Answer» The substance which reduces a compound is called reducing agent? | |
| 17. |
What would be the molality of 20% (mass/mass) aqueous solution of KI ?Molar mass of KI is 166 g mol−1 |
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Answer» What would be the molality of 20% (mass/mass) aqueous solution of KI ? |
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| 18. |
14. Calculate the no of ions in MOHRs salt [FeSO4. (NH4)2SO4.6H2O] |
| Answer» 14. Calculate the no of ions in MOHRs salt [FeSO4. (NH4)2SO4.6H2O] | |
| 19. |
There is mixture of gases of 2 moles of oxygen and 3 moles of methane.The value of C_p/C_v for the mixture is nearly \lbrack neglect the vibrartional mode\rbrack |
| Answer» There is mixture of gases of 2 moles of oxygen and 3 moles of methane.The value of C_p/C_v for the mixture is nearly \lbrack neglect the vibrartional mode\rbrack | |
| 20. |
The work done during the expansion of a gas from a volume of 4 dm3 to 6 dm3 against a constant external pressure of 3 atm is (1 L atm=101.32 J) |
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Answer» The work done during the expansion of a gas from a volume of 4 dm3 to 6 dm3 against a constant external pressure of 3 atm is (1 L atm=101.32 J) |
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| 21. |
Which of the following experiments is called physiological demonstration of osmosis? |
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Answer» Which of the following experiments is called physiological demonstration of osmosis? |
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| 22. |
{ The mass of }N_2F_4 produced by the reaction of }}{1 mole of }NH_3 and }2.5 moles of }F_2 is }35.6g . Hence, }} the percentage yield of the given reaction is }{2NH_3+5F_2→ N_2F_4+6HF |
| Answer» { The mass of }N_2F_4 produced by the reaction of }}{1 mole of }NH_3 and }2.5 moles of }F_2 is }35.6g . Hence, }} the percentage yield of the given reaction is }{2NH_3+5F_2→ N_2F_4+6HF | |
| 23. |
Major product for the reaction |
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Answer» Major product for the reaction |
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| 24. |
4BCl3(g) + 3LiAlH4(s) 2B2H6(g) + 3LiCl(s) + 3 AlCl3 (s), here in B2H6, oxidation number of B is -3 but in NaBH4, it is +3, how? When should we take oxidation number of H as +1 and when as -1? |
| Answer» 4BCl3(g) + 3LiAlH4(s) 2B2H6(g) + 3LiCl(s) + 3 AlCl3 (s), here in B2H6, oxidation number of B is -3 but in NaBH4, it is +3, how? When should we take oxidation number of H as +1 and when as -1? | |
| 25. |
Identify X in the sequence: |
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Answer» Identify X in the sequence:
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| 26. |
the charge q in a sperical region of radius R changes with time t as q=2e^{-3t}. The initial curreng density at the surface of sperical region |
| Answer» the charge q in a sperical region of radius R changes with time t as q=2e^{-3t}. The initial curreng density at the surface of sperical region | |
| 27. |
At what temperature will oxygen molecules have the same root mean square speed as hydrogen Molecules at 200 K? |
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Answer» At what temperature will oxygen molecules have the same root mean square speed as hydrogen Molecules at 200 K? |
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| 28. |
Which of the following will undergo aldol condensation? |
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Answer» Which of the following will undergo aldol condensation? |
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| 29. |
NO. OF ISMERS FOR C4H6 |
| Answer» NO. OF ISMERS FOR C4H6 | |
| 30. |
6. How can an unpaired electron be present in *2p molecular orbital of KO2 ? |
| Answer» 6. How can an unpaired electron be present in *2p molecular orbital of KO2 ? | |
| 31. |
Given that:E∘Fe2+/Fe=−0.44 V and E∘Fe3+/Fe2+=0.77 VE∘Fe3+/Fe is: |
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Answer» Given that: |
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| 32. |
Eu2+ has stable 4f7 configuration still it is a strong reducing agrnt.why?? |
| Answer» Eu2+ has stable 4f7 configuration still it is a strong reducing agrnt.why?? | |
| 33. |
(I) Chlorobenzene (II) 2,4−dinitrochlorobenzene (III) p−nitrochlorobenzeneThe decreasing order of their reactivities towards electrophilic substitution reaction is: |
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Answer» (I) Chlorobenzene (II) 2,4−dinitrochlorobenzene (III) p−nitrochlorobenzene The decreasing order of their reactivities towards electrophilic substitution reaction is: |
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| 34. |
In ionic equilibrium when dilution increases why degree of dissociation increases? |
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Answer» In ionic equilibrium when dilution increases why degree of dissociation increases? |
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| 35. |
What are the conditions for 'something' to be called 'matter'? |
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Answer» What are the conditions for 'something' to be called 'matter'? |
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| 36. |
Ca2B6O11+Na2CO3Fused−−−→(A)+(B)+CaCO3(A)+CO2→(B)+Na2CO3Solution(B)+Conc.HCI→NaCI+Acid ↓H2O(C)Strongly−−−−−→heated (D) Acid(C)(D)+CuSO4Heated−−−−−→inflameBlue coloured(E) compoundcompound (E) is - |
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Answer» Ca2B6O11+Na2CO3Fused−−−→(A)+(B)+CaCO3(A)+CO2→(B)+Na2CO3Solution(B)+Conc.HCI→NaCI+Acid ↓H2O(C)Strongly−−−−−→heated (D) Acid(C)(D)+CuSO4Heated−−−−−→inflameBlue coloured(E) compoundcompound (E) is - |
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| 37. |
A uniform solid cylinder of length l, area of cross-section A is floting in liquid of density 3ρ and 2ρ as shown. Density of material of cylinder, isDiagram |
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Answer» A uniform solid cylinder of length l, area of cross-section A is floting in liquid of density 3ρ and 2ρ as shown. Density of material of cylinder, is |
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| 38. |
How can you separatealumina from silica in bauxite ore associated withsilica? Give equations,if any. |
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Answer» How can you separate silica? Give equations, |
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| 39. |
Total number of species which give O2 when react with H2O2MnO4⊖, PbS, NH2OH, [Fe(CN)6]3– (basic medium), SO32–, HOCl . how to be sure if the reaction takes place or not we have to memorise or there is any other method? |
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Answer» Total number of species which give O2 when react with H2O2 MnO4⊖, PbS, NH2OH, [Fe(CN)6]3– (basic medium), SO32–, HOCl . how to be sure if the reaction takes place or not we have to memorise or there is any other method? |
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| 40. |
in haber's process 30 L of dihydrogen and 30 L of dinitogen were taken for reaction which yeilded only 50% of the expected product . What will be the composition of gaseous mixture under the aforesaid condition in the end |
| Answer» in haber's process 30 L of dihydrogen and 30 L of dinitogen were taken for reaction which yeilded only 50% of the expected product . What will be the composition of gaseous mixture under the aforesaid condition in the end | |
| 41. |
Body diagonal of a cube is 866 ppm. Its edge length would be |
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Answer» Body diagonal of a cube is 866 ppm. Its edge length would be |
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| 42. |
Question 7Why does distilled water not conduct electricity, whereas rainwater does? |
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Answer» Question 7 Why does distilled water not conduct electricity, whereas rainwater does? |
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| 43. |
h2o bond angle reaso |
| Answer» h2o bond angle reaso | |
| 44. |
What is the 5th and 6th coordination number of compound xy where x are in octahedral voids and y forms fcc lattice |
| Answer» What is the 5th and 6th coordination number of compound xy where x are in octahedral voids and y forms fcc lattice | |
| 45. |
40 C6H5OCH3 +HI =? |
| Answer» 40 C6H5OCH3 +HI =? | |
| 46. |
Differentiate 3sin3t |
| Answer» Differentiate 3sin3t | |
| 47. |
Rearrange the dialogue in correct order.1. Oh là là! C'est une grande famille.2. Oui, j'ai deux frères et une sœur.3. Oui et j'aime ma famille.4. Tu as un frère?5. Formidable! |
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Answer» Rearrange the dialogue in correct order. 1. Oh là là! C'est une grande famille. 2. Oui, j'ai deux frères et une sœur. 3. Oui et j'aime ma famille. 4. Tu as un frère? 5. Formidable! |
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| 48. |
The solubility of CaF2 is a moles/litre. Then its solubility product is ..... |
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Answer» The solubility of CaF2 is a moles/litre. Then its solubility product is .....
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| 49. |
The correct order of atomic radii in group 13 element is |
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Answer» The correct order of atomic radii in group 13 element is |
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| 50. |
Which of the following is not an example of redox reaction? (a) CuO+H2→Cu+H2O (b) Fe2O3+3CO→2Fe+3CO2 (c) 2K+F2→2KF (d) BaCl2+H2SO4→BaSO4+2HCl |
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Answer» Which of the following is not an example of redox reaction? |
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