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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. |
Can anybody xplain molarity????? |
| Answer» It is defined as number of moles of solute present in one litre of solution. | |
| 2. |
Best channel for ch-Structure of atom?plz help |
| Answer» Dron studies or examfear | |
| 3. |
Ncrt solution class 12 chapter 2 |
| Answer» You will get in the chemistry subject option | |
| 4. |
I am not able to understand chemistry well how should i study to improve my subject |
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Answer» first of all carefully listen to teachers in school or any tution classNext step is do self practice and read the same concepts that are taught in the schoolAnd finally practice lots and lots of numericals Are from allahabad |
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| 5. |
How to find equalivant mass of given compound |
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Answer» I m from a school not any coaching centre Biology lover you are from which coaching Molar mass / valency means if acid is there then at the place of valency we will put no. Of H+. Ions and it is called basicity and if base the OH- ion called acidity and for salt no. Of action. |
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| 6. |
Find volume of air and oxygen consumed for burning 1kg coal |
| Answer» | |
| 7. |
Where I do Olympiad and other tests preparation? |
| Answer» At school | |
| 8. |
What is p block |
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| 9. |
Difference between molecules and atom with examples? |
| Answer» Atom are the smallest partical which are not able to exist independently . ex. C atom.Molecules are the substances which are able to exist freely.these are of 2 types, homoatomic molecules and heteroatomuc molecules ex. H2,N2,Co2. | |
| 10. |
SI unit of weight |
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Answer» If si unit of weight is newton. ..then why it is always measured in kg,g.Please state reason? SI unit of weight is Newton and SI unit of mass is Kilogram Newton like the mass of 1 kg object has 9.9 newton weight I think Newton SI unit of weight is Kg (kilograms) |
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| 11. |
Which shell would be frist to have a g subshell |
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| 12. |
Calculate the volume of carbon dioxide obtained by heating 8.4 gram of sodium bicarbonate |
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Answer» 2.24L 4.4 |
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| 13. |
What is the chain of(CH3 CH2)3 CH |
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| 14. |
Define formula mass briefly |
| Answer» | |
| 15. |
describe briefly about dimensional analysis |
| Answer» | |
| 16. |
Calculate total number of different atom in 20gm of glucose |
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| 17. |
ASK VERY VERY TOUGH QUESTIONS OF 1ST CHAPTER chemistry |
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Answer» Total electron in N2 are 14 IN 1.4Gm that is .1moles there are .1×Na nitrogen molecules thus total no of electrons are .1×14×Na How many electrons are present in1.4g N2. Gas |
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| 18. |
Energy level daigram for molecular orbitals oxygen |
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| 19. |
mass of electron in amu |
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Answer» 0.00055amu 1/1836 amu 9.1 × 10 ^-28 g |
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| 20. |
Find value of rydburg constant by the formula of energy of electron in orbit? |
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| 21. |
Calluclation of charge on electron?? |
| Answer» 1×10 -19 | |
| 22. |
What is molality? |
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Answer» The number of gram mole of the solute dissolved in 1000 g of the solvent.....?I HOPE IT MAY HELP U... Molality is defined as the no of moles of solute per weight of the solvent. . |
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| 23. |
What is a solution |
| Answer» When two or more solute dissolve in solvent it bocome solution. Likr salt as a solute and water as a solvent mix togethher maka a solution. | |
| 24. |
What is the difference between Molality and Molarity |
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Answer» Molality means no. Of moles present in 22.4vol.of solution Molarity means the number of moles present in 1liter or 1000gm of solution |
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| 25. |
the density of 10 by mass of kcl is 1.06g/cm3 calculator the molarity of the solution |
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| 26. |
Which side book should purchase for class 11 for chemistry also important for foundation? |
| Answer» Grb publication...new era | |
| 27. |
criteria for determine the enol content in compound |
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| 28. |
what is chemical kinetics? |
| Answer» Chemical kinetics is branch of chemistry which deals with the rate of reaction and which factors affect it. | |
| 29. |
Why energy of a shell is negative? |
| Answer» Because in shell only electrons are present so that it is negative in nature | |
| 30. |
6.6×10^-34×3×10^8/300×10^9-2.7×10^-17=? |
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| 31. |
Differance between solute and salvent |
| Answer» | |
| 32. |
The sum of magnitude of two forces acting at a point is 16N if the resultant force is 8N |
| Answer» | |
| 33. |
The mass of 1 mole of neutron |
| Answer» | |
| 34. |
What is stoichiometry |
| Answer» It is related to law of conservation of mass | |
| 35. |
Calculate the numbers of atom in each of the following1. 52amu of Helium2. 52g of Helium |
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| 36. |
How to read yhe first chapter of chemistry |
| Answer» It not just to read rather to understand bro, it will give a nice concept to u. | |
| 37. |
What are vitamind |
| Answer» | |
| 38. |
Kendray vidhayalay ko chood kar Khanpur delhi me best PCM. School govt... KVS costly hay |
| Answer» Do you know what r u saying if kvs is costly then what about convent and army school | |
| 39. |
Bhai Khanpur delhi me kon sa govt. ? school best hay PCM ke leye? Answer me fast .. |
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Answer» Pihu are u not using now brainly kv i think ....kendriye vidvalay |
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| 40. |
What are transuranic elements |
| Answer» | |
| 41. |
I want some extra questions and numerical of chemistry. What to do |
| Answer» Purchase some other books ....like pradeep publications . | |
| 42. |
Is human beings are matter ? |
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Answer» Yes human beings is also a matter as we all know that anything which occupy space and have mass are matter. sorry this is incorrect. yes.As we all know that everything present on the Earth crust is matter. |
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| 43. |
V=2πZe^2÷nh here what does v stands for |
| Answer» Velocity | |
| 44. |
demerits of bohr\'s model |
| Answer» | |
| 45. |
What is the difference between molarity and molality |
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Answer» molarity is number of moles in given volume of solution (in litre) where as molality is number of moles in given mass of solvent (in kilogram) Molarity- is no. Of moles of solute / volume of solution in litres.Molality is no. Of moles of solute / mass of solvent.Molarity- is represented by MMolality- is represented by m |
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| 46. |
What do you mean by ionisation in simple words? |
| Answer» Formation of ion. | |
| 47. |
What is gay lussac law |
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Answer» but remains temperature and preesure same when gases combined or produced from chemical reaction they do so in a simple ratio by volume |
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| 48. |
What is cisplatin? |
| Answer» Drug used in cancer therapy | |
| 49. |
Who is a chemistry lover here? Cauz i am the one \'yeah\' |
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Answer» Me ??? me too Me too |
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| 50. |
What is the shape of BF4- according to hybridisation |
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Answer» BF4 (tetrafluoroborate) Tetrahedral By the way what is BF4??? Plz tell! |
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