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 final product 'Y' is medicine. Which of the following is incorrect regarding 'Y'? |
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Answer» The final product 'Y' is medicine. Which of the following is incorrect regarding 'Y'? |
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| 2. |
The true statement for the acids of phosphorus: H3PO2,H3PO3 andH3PO4 is |
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Answer» The true statement for the acids of phosphorus: H3PO2,H3PO3 andH3PO4 is |
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| 3. |
Addition of 0.6 g of a compound to 50 mL of benzene (density =0.88 g/mL) lowers the freezing point from 5.51oC to 5.01oC. If Kf for benzene is 5.1 K kg mol−1, calculate the molecular weight of the compound. |
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Answer» Addition of 0.6 g of a compound to 50 mL of benzene (density =0.88 g/mL) lowers the freezing point from 5.51oC to 5.01oC. If Kf for benzene is 5.1 K kg mol−1, calculate the molecular weight of the compound. |
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| 4. |
2.76 g of Silver Carbonate on being strongly heated yeild a residue weighing 1) 2.16g 2) 2.48 g 3)2.32 g 4) 2.64g |
| Answer» 2.76 g of Silver Carbonate on being strongly heated yeild a residue weighing 1) 2.16g 2) 2.48 g 3)2.32 g 4) 2.64g | |
| 5. |
What is difference between molecularity and order of reaction? |
| Answer» What is difference between molecularity and order of reaction? | |
| 6. |
Formation of peroxide in ether can be prevented by: |
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Answer» Formation of peroxide in ether can be prevented by: |
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| 7. |
Three difference between monohybrid and dihybrid |
| Answer» Three difference between monohybrid and dihybrid | |
| 8. |
Choose the graph that shows the correct variation of lnP v/s 1T where,P is the vapour pressure of a liquid at temperature TAssume ΔHvap for the liquid to be positive. |
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Answer» Choose the graph that shows the correct variation of lnP v/s 1T |
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| 9. |
In a Brayton cycle, the maximum and minimum temperatures are 1600 K and 300 K. If the ratio of specific heats for the working fluid is 1.67, the product of pressure ratio corresponding to maximum work output and maximum efficiency is ______522.52 |
Answer» In a Brayton cycle, the maximum and minimum temperatures are 1600 K and 300 K. If the ratio of specific heats for the working fluid is 1.67, the product of pressure ratio corresponding to maximum work output and maximum efficiency is ______
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| 10. |
What is the correct formula for "Spodumene"? |
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Answer» What is the correct formula for "Spodumene"? |
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| 11. |
28.if the size of nucleus=10 to the power -15 m is scaled upto the tip of a sharp pin =10 to the power -5 m then what is the size of the atom? |
| Answer» 28.if the size of nucleus=10 to the power -15 m is scaled upto the tip of a sharp pin =10 to the power -5 m then what is the size of the atom? | |
| 12. |
Difference between alkyne and alkyl compounds |
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Answer» Difference between alkyne and alkyl compounds |
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| 13. |
ntTwo metallic oxides contains 27.6percent and 30 percent oxygen respectively .If the formula of the first oxide is X3O4, that of the second will ben ntn |
| Answer» ntTwo metallic oxides contains 27.6percent and 30 percent oxygen respectively .If the formula of the first oxide is X3O4, that of the second will ben ntn | |
| 14. |
Which of the following are converted to an aromatic species on the loss of hydride ion? |
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Answer» Which of the following are converted to an aromatic species on the loss of hydride ion? |
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| 15. |
What is the meaning of specific heat? |
| Answer» What is the meaning of specific heat? | |
| 16. |
what is expression for half life? |
| Answer» what is expression for half life? | |
| 17. |
which compound is most acidic in natur |
| Answer» which compound is most acidic in natur | |
| 18. |
Which of the following is the formula of a staturated aliphatic aldehyde? |
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Answer» Which of the following is the formula of a staturated aliphatic aldehyde? |
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| 19. |
The charge on the electron and proton is reduced to half. Let the present value of the Rydberg constant be R. What will be the new value of the Rydberg constant? |
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Answer» The charge on the electron and proton is reduced to half. Let the present value of the Rydberg constant be R. What will be the new value of the Rydberg constant? |
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| 20. |
How to find out charge on colloidal particles |
| Answer» How to find out charge on colloidal particles | |
| 21. |
Equalvolumes of 0.002 M solutions of sodium iodate and cupric chlorate aremixed together. Will it lead to precipitation of copper iodate? (Forcupric iodate Ksp= 7.4 × 10–8). |
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Answer» Equal |
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| 22. |
Find the geometric mean of first 5 terms of G.P for which an=2.3^n/5 [Where, n belongs to N] |
| Answer» Find the geometric mean of first 5 terms of G.P for which an=2.3^n/5 [Where, n belongs to N] | |
| 23. |
A mixture of two immiscible liquids nitrobenzene and water boiling at 97 °C has a partial vapor pressure of water 733 mm and that of nitrobenzene 27 mm. The ratio of the weights of water to nitrobenzene in the distillate is? |
| Answer» A mixture of two immiscible liquids nitrobenzene and water boiling at 97 °C has a partial vapor pressure of water 733 mm and that of nitrobenzene 27 mm. The ratio of the weights of water to nitrobenzene in the distillate is? | |
| 24. |
59. In 0.2 molar aqua solution of a weak acid HX the degree of ionization is 0.3. the freezing point of the solution will be nearest to 1. 0.48 degrees celsius 2 - 0.48 degree Celsius 3 - 0.36 degree Celsius 4 - 0.26 degree Celsius |
| Answer» 59. In 0.2 molar aqua solution of a weak acid HX the degree of ionization is 0.3. the freezing point of the solution will be nearest to 1. 0.48 degrees celsius 2 - 0.48 degree Celsius 3 - 0.36 degree Celsius 4 - 0.26 degree Celsius | |
| 25. |
Knowing the properties of H2O and D2O, do you think that D2O can be used for drinking purposes? |
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Answer» Knowing
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| 26. |
Reaction of dihydrogen with ___ is used in the Haber’s process |
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Answer» Reaction of dihydrogen with |
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| 27. |
50.What is the method to find out bond order in case of triatomic or polyatomic species such as carbon di oxide, boron trifluoride? |
| Answer» 50.What is the method to find out bond order in case of triatomic or polyatomic species such as carbon di oxide, boron trifluoride? | |
| 28. |
13. Mn is an oxidising agent because ? A. half filled t2g level B. Completely filled eg level C.empty d - orbital D. all |
| Answer» 13. Mn is an oxidising agent because ? A. half filled t2g level B. Completely filled eg level C.empty d - orbital D. all | |
| 29. |
The minimum distance between two tetrahedral voids in NaCl type crystal structure is (a is edge length) |
| Answer» The minimum distance between two tetrahedral voids in NaCl type crystal structure is (a is edge length) | |
| 30. |
Calculate the pH of solution when 100 mL, 0.1 M CH3COOH and 100 mL, 0.1 M HCOOH are mix together (Given : Ka(CH3COOH)=2×10−5,Ka(HCOOH)=6×10−5) (Given: log2=0.30) |
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Answer» Calculate the pH of solution when 100 mL, 0.1 M CH3COOH and 100 mL, 0.1 M HCOOH are mix together (Given : Ka(CH3COOH)=2×10−5,Ka(HCOOH)=6×10−5) (Given: log2=0.30) |
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| 31. |
Can 1M NiSO4 be stored in a vessel of copper? Given that E0Ni2+Ni = -1.20 V and E°Cu2+/Cu =0.34V |
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Answer» Can 1M NiSO4 be stored in a vessel of copper? Given that E0Ni2+Ni = -1.20 V and E°Cu2+/Cu =0.34V |
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| 32. |
Which of the following statements is true about electrolytes? |
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Answer» Which of the following statements is true about electrolytes? |
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| 33. |
An energy of 24.6 eV is required to remove one of the electrons from a neutral helium atom. The energy (in eV) required to remove both the electrons from a neutral helium atom is |
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Answer» An energy of 24.6 eV is required to remove one of the electrons from a neutral helium atom. The energy (in eV) required to remove both the electrons from a neutral helium atom is |
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| 34. |
name the following compound according to iupac nomenclature \{(CH3)2CH\}3COH |
| Answer» name the following compound according to iupac nomenclature \{(CH3)2CH\}3COH | |
| 35. |
condition of resonance |
| Answer» condition of resonance | |
| 36. |
Which of the following reaction(s) is/are correct?(Only organic products are given) |
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Answer» Which of the following reaction(s) is/are correct? |
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| 37. |
What is the structure of PO4 -3 ? Is there any Co ordinate bond? |
| Answer» What is the structure of PO4 -3 ? Is there any Co ordinate bond? | |
| 38. |
the wave no. of spectral line corresponding to n1=3 n2=5 for h atom is R=109677 |
| Answer» the wave no. of spectral line corresponding to n1=3 n2=5 for h atom is R=109677 | |
| 39. |
D-(+)-glucose reacts with hydroxyl amine and yield an oxime. The structure of the oxime would be: |
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Answer» D-(+)-glucose reacts with hydroxyl amine and yield an oxime. The structure of the oxime would be: |
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| 40. |
Which of the following carbonyl oxygens will form the strongest hydrogen bond with H2O molecules? |
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Answer» Which of the following carbonyl oxygens will form the strongest hydrogen bond with H2O molecules? |
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| 41. |
what is the difference b/w chemical and ionic equilibrium |
| Answer» what is the difference b/w chemical and ionic equilibrium | |
| 42. |
A 0.02 M solution of pyridinium hydrochloride has pH = 3.44. Calculate the ionization constant of pyridine |
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Answer» A 0.02 M solution of pyridinium hydrochloride has pH = 3.44. Calculate the ionization constant of pyridine |
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| 43. |
Which of the follwing atoms has the highest first ionization energy? |
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Answer» Which of the follwing atoms has the highest first ionization energy? |
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| 44. |
What is the by-product formed along with the haloarene at the end of Sandmeyer’s reaction? |
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Answer» What is the by-product formed along with the haloarene at the end of Sandmeyer’s reaction? |
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| 45. |
In the below question, element (b) is related to element (a) in a particular way in three pairs of figures out of the given four. Find out the pair of figures in which the element (b) is not related to element (a). |
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Answer» In the below question, element (b) is related to element (a) in a particular way in three pairs of figures out of the given four. Find out the pair of figures in which the element (b) is not related to element (a). |
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| 46. |
how many optically active isomers are possible for bu†an e- 1,2 dio |
| Answer» how many optically active isomers are possible for bu†an e- 1,2 dio | |
| 47. |
given 3 moles of C2H6 find 1. no. of moles of carbonatoms 2.no. of moles of hydrogen atoms 3. no. of molecules of C2H6 |
| Answer» given 3 moles of C2H6 find 1. no. of moles of carbonatoms 2.no. of moles of hydrogen atoms 3. no. of molecules of C2H6 | |
| 48. |
meta nitro phenol on reacting with Cl+ and Meta amino phenol on reacting with same .The product will be |
| Answer» meta nitro phenol on reacting with Cl+ and Meta amino phenol on reacting with same .The product will be | |
| 49. |
19. Iron powder is added to 1.0M solution of CdCl2 at 298K . The reaction occuring is Cd+² + Fe ----------> Cd + Fe+². If standard potential of a cell producing this reaction is 0.037V, the concentration of Cd+² and Fe+² ions in the above reaction at equilibrium respectively will be |
| Answer» 19. Iron powder is added to 1.0M solution of CdCl2 at 298K . The reaction occuring is Cd+² + Fe ----------> Cd + Fe+². If standard potential of a cell producing this reaction is 0.037V, the concentration of Cd+² and Fe+² ions in the above reaction at equilibrium respectively will be | |
| 50. |
The benzene diazonium chloride needed for the sandmeyer reaction to produce aromatic halides is produced by diazotisation reaction that takes place at |
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Answer» The benzene diazonium chloride needed for the sandmeyer reaction to produce aromatic halides is produced by diazotisation reaction that takes place at |
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