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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. |
What is hard water and software |
| Answer» D2O is the hard water chemical formula,and its molecular weight is 20g | |
| 2. |
Define 1M solution. |
| Answer» | |
| 3. |
Define rotamers and torsional strain? |
| Answer» | |
| 4. |
KOH is more basic than NaOH |
| Answer» | |
| 5. |
How metallic radius is different from the covalent radius? |
| Answer» | |
| 6. |
Why magnesium is soluble in water? |
| Answer» It is because Mg attract OH ion more easily so Mg soluble in water | |
| 7. |
Why lead is good oxidising agent |
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Answer» Due to inert pair effect Pb is more stabe in +2 state thus Pb+4 reduces itself to Pb+2 and oxidizes other substance 2+ oxidation state |
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| 8. |
Reactions to justify amphoteric nature of aluminium |
| Answer» 2Al + 6HCl = 2AlCl3 + 3H2Al2O3 + 2NaOH = 2NaAlO2 + H2O | |
| 9. |
What type of isomerism id shown by cis-2-butene and trans-2-butene? |
| Answer» Geometrical isomerism | |
| 10. |
Why is wqter liquid whereas H2S is gas at room temperature? |
| Answer» | |
| 11. |
Chemical reaction showing cfc are harmful |
| Answer» | |
| 12. |
IUPAC names of the products obtained by ozonysis of 3,4-dimethylhept-3-ene. Write the reaction also |
| Answer» Simple way of solving problems on ozonolysis is:BREAK ALL DOUBLE BONDS AND ADD DOUBLE BONDED \'O\' (Oxygen) on each sp² carbon..... Here the product will be: butane-2-one and pentane-2-one | |
| 13. |
What is carius method |
| Answer» | |
| 14. |
What is the SI unit of surface tension |
| Answer» N/m | |
| 15. |
If each orbital can take maximum three electron what is the no.of element in 2 period |
| Answer» .. | |
| 16. |
What to i am fail in class 11 th cbse please help me |
| Answer» | |
| 17. |
What is a mole |
| Answer» | |
| 18. |
Why is 3-ethyl-5-methylheptane correct rather than 5-ethyl-3-methylheptane? |
| Answer» | |
| 19. |
Convert from methane to ethane |
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Answer» first methane convert into methyle hallide by react with Cl2 in presence of sunlight then by wurtz rxns it convert into ethane . I don\'t know |
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| 20. |
Solution of all questions of chemistry common Annual School Examination 2017 18 subject Chemistry |
| Answer» | |
| 21. |
Plz tell me if it will be beneficial to take both bio as well as maths in+1 |
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Answer» Hey , can u give me ur e-mail ,I have bio vs maths comparison ppt Thanks sir If u like bio n u have ur maths strong ...u can opt for both...but if u don\'t like bio...no need of bio.... |
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| 22. |
How to chemistry |
| Answer» | |
| 23. |
Ammonia vsepr represtation |
| Answer» | |
| 24. |
What is alkane? |
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Answer» A saturated hydrocarbon in which two carbon atoms are connected with single bond It make a single bond . it is the saturated carbon |
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| 25. |
Calculate number of atoms in 52 microgram of helium gas |
| Answer» | |
| 26. |
Explain shape of bff and h2o using vsepr theory |
| Answer» | |
| 27. |
Why SN¹ reaction is preferred over SN² reaction |
| Answer» | |
| 28. |
Solution type |
| Answer» | |
| 29. |
Carbon-oxygen Bond length are equal in carbonate ions. |
| Answer» | |
| 30. |
Explain the deviation of real gases from the ideal gas behavior. |
| Answer» | |
| 31. |
What happens when quicklime is heated with silica |
| Answer» | |
| 32. |
Why does the solubility of alkaline earth metal hydrixide in water increase down the group? |
| Answer» | |
| 33. |
Whats is 1.Ionisation energy2.electron gain enthalpy3.electron affinity |
| Answer» | |
| 34. |
Which quantum number has not been derived from Schrodinger equation |
| Answer» | |
| 35. |
I want to do it\xa0 |
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Answer» What u want to do?? what u wnt to do ?? |
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| 36. |
Electron affinity of fluorine is smaller than chlorine |
| Answer» Bcoz F is more electronegative than cl electronegativity of F is 4.0 while cl has 3.0 | |
| 37. |
Write lassaignes test for N and Cl in a given organic compound . write the equation? |
| Answer» | |
| 38. |
Calculate∆G for reaction 2(A)+B(g)+~2D(g) given ∆U= -10.5kjmol and ∆s=-44.1jk-1mol-1 |
| Answer» | |
| 39. |
Complete (1)CH3CH3+O2(CH3COO)2MN--(2). CH2=CH2+H2O+O+KMNO4/H+-- |
| Answer» gi | |
| 40. |
Discuss the shape of C2H2 on the basis of hybridiaation. |
| Answer» | |
| 41. |
Calculate the moles of co2 formed when 11.2 litres of methane at stp is burnt in excess of air |
| Answer» | |
| 42. |
Last year compartment paper |
| Answer» | |
| 43. |
law of conservation of mass ? |
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Answer» Mass can neither be created bor be destroyed...but only can change to one state to other. Mass neither be created nor be destroyed. Mass neither be created nor destroyed. |
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| 44. |
C+O2+N2__gives CO+N2 plzzzz complete following reaction |
| Answer» | |
| 45. |
Mention one application of solubility product |
| Answer» | |
| 46. |
Calculate the molality and morality of solution if 224 gm quick lime dissolved in 240 cm3 of water |
| Answer» | |
| 47. |
How many atom present in 18g of carbon |
| Answer» Pta nhi | |
| 48. |
Pcm means |
| Answer» physics chemistry maths | |
| 49. |
Whatbis quantum number |
| Answer» | |
| 50. |
In which type of salt |
| Answer» Anti mark onvikeaf RXn | |