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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. |
Name the process involved in conversion of propanol to propanoic acid.? |
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Answer» Ek dam bhai..........waiting No need of thanks bro... ? someday u will also help me... ? so hisab barabar ho jayega Yes thank you Its oxidation reaction in presence of KMno4 nd K2cr2O7 Anybody???? |
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| 2. |
Why Pop have half molecule of water of crystalisation |
| Answer» | |
| 3. |
Why is mixture of ethyne and oxygen is used for wielding purpose? |
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Answer» Ye IS..O try it it\'s so simple Aadha shi hai Because ethyne does not burn properly in air.it needs oxygen to burn properly |
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| 4. |
To find the focal length of a convex lens by obtaining image of a distant object |
| Answer» Use prescribed formula of lens | |
| 5. |
Why is the conversion of ethanol to ethnoic acid is an oxidation reaction? |
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Answer» Yes and 2 hydrogen is also have removed i.e.h2o Oxygen has been added to the molecule of ethanol in conversion to Ethanoic acid therefore it is oxidation reaction |
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| 6. |
Find me ! I start with P and end with E but I have thousand of letter who am I |
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Answer» Is it post office ?? Please P_________e Vaah ?? Tum hi bta do answer hme to pta nhi Puzzle Cha gya guru Panktiii |
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| 7. |
Why intake of small quantity of methanol can be lethal? |
| Answer» It is very dangerous...and poisonous | |
| 8. |
What are the reactions of dffrnt indicates to acids n bases??? |
| Answer» | |
| 9. |
Which device is used to maintain a potential difference across a conductor? |
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Answer» Vansh you a wrong voltmeter is a right answer Voltmeter.. Voltmeter ammeter |
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| 10. |
Define scattering of light |
| Answer» When a ray of light colloid with any particle it get scattered in different directions . this phenomenon is called scattering of light | |
| 11. |
What is electric circuit means |
| Answer» | |
| 12. |
What is chloro alkali process? |
| Answer» Electrolysis of brine to form h2, Cl2 and NaOH | |
| 13. |
Why are copper and Aluminum metals used as connecting wires??? |
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Answer» * has low resistivity*could be drawn into thin wires*less loss of energy during transmission Because it is best conductor of electricity Good conductor Hey no answer!!!! |
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| 14. |
Hi.... |
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Answer» Hey.....sweaty Hiiiiiiii????? Hlo... |
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| 15. |
A(3P,3N) ,B(17P,18N),C(11P,12N).Identify A, B, C their name and nature |
| Answer» What??? | |
| 16. |
As we are in land we could see water, but not air. Whether as such could fish see air but not water? |
| Answer» | |
| 17. |
What is homogenous mixture |
| Answer» | |
| 18. |
Natural selection and speciation lead to evolution.justify the statement |
| Answer» | |
| 19. |
Why consumption of a small quantity of methanol can be lethal? |
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Answer» It effects on nervous system and may be causes accident... Bro give another one It damage the liver |
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| 20. |
When alluri sitaram raju was executed? |
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Answer» Alluri Sitaram was captured and executed by Britishers in 1924. ?? Yes bro... 1924 |
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| 21. |
The radius of curvature of a spherical mirror is 20cm find the focal length? |
| Answer» 10cm | |
| 22. |
The radius of curvature of a spherical mirror is 20cm find the focal length |
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Answer» 10 10cm 10 |
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| 23. |
Why Acetic acid called glacial acid |
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Answer» ?? Because it freezes at room temperature since it has very low melting point (-17)c |
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| 24. |
What is blood pressure |
| Answer» Blood pressure is the pressure of circulating blood on blood vessels | |
| 25. |
How is glucose is tested in human blood..?? |
| Answer» | |
| 26. |
Manisha and Aditi are you here |
| Answer» | |
| 27. |
Pls send science hots questions |
| Answer» Bt how?? | |
| 28. |
Why is sulphide ore converted to its oxide before reduction |
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Answer» ???? Because it is easier to obtain a metal from it oxide as compared to sulphides |
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| 29. |
Demerits of LPG? |
| Answer» | |
| 30. |
Why sunrise and sunset appears red |
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Answer» At morning sunrise and evening sunset This is because while sunrise and sunset sun appears red in colour The light is made up of seven colours , the red color has a high wavelength. It does not scatter. |
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| 31. |
How does evolution occur? |
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Answer» By the accumulation of variations of an organism of a species. Development |
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| 32. |
How many test papers are there to buy. How many papers do we get |
| Answer» What? | |
| 33. |
C4H80 what is this |
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Answer» ☺?☺? ??? Finally Butanone Butanone Beti ya beta Sorry butanon Kya hua sarkar ji?? I know Are yar it is a name of Carbon compound that is butanol It is reaction Butanol??? |
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| 34. |
Why non metal does not react with water and dilute acids |
| Answer» Nonmetals do not react with water and dilute acids because they cannot give electrons to reduce the hydrogen ions of water into hydrogen gas and also it do not displace hydrogen from acids | |
| 35. |
The pratical manual is not available |
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Answer» Not available... App Not available in this aoo Yes It is available |
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| 36. |
What is c2h5oh |
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Answer» Molecular formula of ethanol (ethyl alcohol) ??? Ethyl alcohol Ethanol. |
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| 37. |
Name a metal which is cut with a knife? |
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Answer» Gallium Potassium Sodium |
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| 38. |
How is the *** of the child determined in human being |
| Answer» If it is XX then it\'s a girl... And if it is XY.then its a boy .. N the probability is decided by the chromosome delivered by the father... As it contains... Both 50 percent X chromosome and 50 percent Y chromosome | |
| 39. |
Which acid is used as preservatives in pickles |
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Answer» Ur welcome CH3COOH or acetic acid(vinegar) Thnx? Ethanoic acid |
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| 40. |
How graphite act as a lubricants? |
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Answer» Not agree . As this the reason of electrical conductivity of graphite. Graphite have a free electron that rotates around the main structure so it is slippery |
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| 41. |
which enzyme converts glucose to ethanol.. |
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Answer» Nd aap kya kr rahe ho??? I\'m studying sci its my preboard on monday Ok aur kya kr rhai ho Punjab Whr r yu frm Thnx? Zymase enzyme |
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| 42. |
When the cell reproduce |
| Answer» Koon sa cell | |
| 43. |
Why is tidal energy not likely to be the potential source of energy |
| Answer» Energy get from tides inocean | |
| 44. |
FeSo4-- |
| Answer» Kya | |
| 45. |
Why are food cans coated with Tim and not zinc? |
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Answer» I think bcoz link is very reactive Bcaz tin is corrosive metal and less reactive that zn Because zinc is more reactive than tin and it may contaminate the food present in the food can |
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| 46. |
I came first in my class in this preboard first time. |
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Answer» Congratulations :-):-):-):-):-) Because zinc is more reactive than tin and hence it can react with acids or bases in food Bahut bdiya bhai... hmesha ate rehna..?? Congo☺☺?????? and keep it up |
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| 47. |
Food moves down the gut by peristalsis. Which region of brain controls peristalsis? |
| Answer» Medulla | |
| 48. |
A combination reaction but endothermic |
| Answer» N2+H2=NH3 | |
| 49. |
What is reactivity ? |
| Answer» Tendency of an atom to lose or gain electrons | |
| 50. |
Oye ritik kya kr raha h |
| Answer» | |