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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. |
How are 0.50 mole n a 2 c o 3 and 0.50 m n 8203 |
| Answer» | |
| 2. |
WHAT IS KINEMATICS |
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Answer» The study of the motion of bodies without reference to mass or force. ⓐⓝⓨ ⓐⓝⓢⓦⓔⓡⓢ ⓣⓞ ⓘⓣ!!??. |
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| 3. |
Which has more I.E:Al3+ or N3- |
| Answer» n | |
| 4. |
Classify following as Pure Substances and Mixtures: Air,Glucose, Gold,Sodium and Milk. |
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Answer» Gold will go under mixture because Gold is always present in alloy with Silver or Copper because pure gold is very soft. milk is also a mixture Pure substance - gold, sodium,milkMixture -air,glucose |
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| 5. |
what is lyman series |
| Answer» | |
| 6. |
Group of sodium |
| Answer» If you are asking about periodic table then its Group 1 | |
| 7. |
Assuming the water molecule to be spherical, calculate the diameter of water molecule |
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| 8. |
calculate the number of atoms in 3.2g of sulphur |
| Answer» Weight of 1 mol sulphur = molar mass of sulphur = 32 g32 g = 1 mol3.2 g = 0.1 mol1 mol has 6.022*10^23 atoms0.1 mol will have 6.022*10^22 atoms | |
| 9. |
Difference between canal ray and cathode ray |
| Answer» Canal ray have positively charged particle while cathode ray negatively charges particle | |
| 10. |
Nikhil raj mehta ...are uh here |
| Answer» | |
| 11. |
How rider is used in a chemical balance instrument? |
| Answer» It works as fractional weights of very small measurements | |
| 12. |
Numerical related to mole concept and molar masses |
| Answer» Search it from Google app, otherwise from ncert | |
| 13. |
Hlo everybody.. |
| Answer» Yes say | |
| 14. |
What is the molar mass of caesium |
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Answer» 132.90545u For me its 0 Sorry dont know the answer ????? Yo |
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| 15. |
Find no. of oxygen atom present im100 mg of caco3 |
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| 16. |
Is there any one who can bcome my frnd? |
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Answer» Yes Use this stydy app only for study Yes don\'t missuse this app. No it is a studial site No |
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| 17. |
Which is better among molarity and molality |
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Answer» Bcoz it does not change with temp. Molality |
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| 18. |
Who completed chemistry part 1 fully |
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Answer» organic chemistry is finish Well I think no one |
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| 19. |
calulate the number of cl^-and ca^+2ions in 222g anhydrous Cacl2 |
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| 20. |
Hi friends from which month ur schl started or coa. |
| Answer» July | |
| 21. |
What is difference between pure substances and mixtures? |
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Answer» Group of two or more than two elements, that have a separate boundary and elements can be separated by physical or chemical methods are called mixture eg, tap water, as it also contains other components with water. An element or combination of two or more than two elements that doesn\'t have separate boundary and also they doesn\'t contain any impurity called pure substances eg., distilled water, C, O2, etc... Pure sub. Are made up of only one kind of atom while mixture are made up of more than one atom I don\'t know |
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| 22. |
Define the term Emperical Formula... |
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Answer» Simplest formula of an compound, which is derive by the ratio of the no. Of moles of the elements present in that compound It is the formula which expresses the simplest whole number ratio between atoms of various elements present in one molecule of the compound |
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| 23. |
How to find molarity by using mole fractions of solute and solvent |
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| 24. |
Steps of balancing redox reaction by ions electron method |
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| 25. |
How many gram molecules are present in 4.9 gram of sulphuric acid |
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| 26. |
Why electron is quntized |
| Answer» | |
| 27. |
atomic mass of iron |
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Answer» thnx 55.845u Atomic Mass of IronThe Proton number Z = 26The Neutron number N = 30The atomic mass of the atom of an Iron molecule is 56 amu. (55.845 amu exactly) |
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| 28. |
How to convert 1u to gram |
| Answer» If we write atomic mass in gram (g) then 1u =1g | |
| 29. |
What found when we acid reactcwith alcohol |
| Answer» | |
| 30. |
Cbse result date pls say Im worried about it |
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Answer» May be she hasn\'t writtenwell 30 The result will come near about on 30th of may I cant leave It Each minute im in tension Why u r worried??.Be confident..If u have written everything well..Than just say bye to tensions |
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| 31. |
Correct order of pbo2 CaO Cl2O7 SO3 |
| Answer» Use quantum number | |
| 32. |
What is the pre requisite knowledge for class 11 |
| Answer» Pre requisite for 11??.Can u explain your ques. Briefly?? | |
| 33. |
What is wovenTellme |
| Answer» | |
| 34. |
What is a node or nodal surface??????? |
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Answer» Thnx region where probability of density of electron is zero |
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| 35. |
What are endosperms |
| Answer» Plant tissue surrounds angiosperms seed | |
| 36. |
Sponge is solid or liquid? |
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Answer» Solid and has many no. of pores Sponge is solid but it didn\'t appears because it has many air pores through with air enter inside solid Sponge is a solid substance and it has a number of air pores Solid |
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| 37. |
Why protons are not revolving around nucleus like electrons |
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Answer» Because they are positively charged ions and nucleus is also a positive sphere so only electrons relvove around nucleus not proton Because they are positively charged atoms |
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| 38. |
Hii frnds is du college is best for commerce ?? |
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Answer» Yes....ofcours Offcourse yaar Yes |
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| 39. |
Properties of cathode rays |
| Answer» Cathod rays travell always in stright line 2_they produce heat energy when strike to matter shws it posses kinetic energy3-cathod rays consist of negative particle called electrone4-cthod travell from negative to positive or cathod to anode | |
| 40. |
How to learn the mole concept? |
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Answer» Study it via you tube, channel-etoos India, Get slowly understand the concept , it really a nice chapter. We cannot learn, we have to understand willingly |
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| 41. |
if specific heat of metallic element is 0.214.cal/g the atomic mass of the element would be |
| Answer» | |
| 42. |
Guys anybody have equilibrium notes |
| Answer» Yes,I have | |
| 43. |
Halogen acts as good oxidising agent |
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Answer» Because they can accept one electron to complete their octate and by gaining one election they reduce themselves and oxidise others Yes |
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| 44. |
Vasper theory |
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| 45. |
How can we describe periodic table |
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| 46. |
Reactivity towards air or oxygen |
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| 47. |
Which has higher mass1) 5 mole of CO22) 224ml O2 gas at STP |
| Answer» 5 mol co2 | |
| 48. |
Pie bond |
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Answer» Double or triple bond Weak bond ☺️ |
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| 49. |
5 marks important questions from environmental chemistry |
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Answer» How is photochemical smog fromed Pollution control |
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| 50. |
Arrange in increasing order of metallic character ( K , Na , Mg , Ca , Cs , Al ) |
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Answer» Al, Mg, Na, K, Ca, Cs Na, k, cs, mg, ca,al K, na, ca, mg, Al, cs |
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