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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. |
Prove that angle I = angle r |
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| 2. |
Why common salt doesn\'t react with water? |
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Answer» Because H2is less reactive than NaCl Just like NaCl = Na+ & Cl- together makes neutral compound Stalbe* Bcz it is stabke compound and it is neutral |
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| 3. |
What is ethanol ? |
| Answer» Ehtane + alcohal | |
| 4. |
Why light travels in a straight line |
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Answer» And bcz of photon particles present in it It doesn\'t travel rather it seems to travel in straigjt line |
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| 5. |
What is the meaning of heparin |
| Answer» Usedas anticoagulant | |
| 6. |
Where are olfactory receptor are present? |
| Answer» Nose ? | |
| 7. |
What is NADP??????? |
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Answer» Sorry worng spelling iys nicotinemide adenine dinucleotide phosphate Nicotinamide a defined income pride phosphate |
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| 8. |
How ozone layer formed in the atmosphere |
| Answer» UV radiations split apart some molecular oxygen into free oxygen atoms.....these atoms then combine with the molecular oxygen to form ozone....... | |
| 9. |
Distinguish between electrolytic reduction and electrolytic refining. |
| Answer» \tElectrolytic reductionElectrolytic refiningIn this process, the metals are obtained by the electrolysis of their molten chloridesIn this process, the impure metals are refined electrolyticallyThis process is used for the extraction of metals that are present in the high reactivity seriesThis process is used for obtaining metals that are free from impurities\t | |
| 10. |
Write the principal on which a solar cooker work? |
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| 11. |
Exam datesheet 5march starts after holi |
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| 12. |
What happens when nitric acid is added to egg shell?? |
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Answer» Thank you Nitric acid reacts with it as egg shell 8s made of calcium carbonate Carbon dioxide , calcium nitrate and water gets formed |
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| 13. |
Which of the following is lewis base H2o,,hcl,, nh4+..,ch4 |
| Answer» NH4+ | |
| 14. |
Why Bf3 is taken as an example of lewis acid ???? |
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Answer» It* Bcz iy accepts H+ ions |
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| 15. |
Give an example of Lewis acid |
| Answer» Just told bf3 | |
| 16. |
Lactic acid formula? |
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Answer» Found in curd and made by lactobacillus C3H6O3 |
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| 17. |
All praticals are important |
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| 18. |
Calculate the power of a lens whose principle focus is at distance of 50 cm from its optical center. |
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| 19. |
Why magnesium ribbon starts floating in hot water |
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Answer» Bcz hydrogen gas sticks to it\'s surface making it lighter and thus it floats Bec mg reacts with h2o and for insoluble mg(oh)2 |
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| 20. |
Write the factor on which resistance of a conductor depends |
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| 21. |
Science ke main practicals koi bata do plesae |
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| 22. |
Physis ke important topics ko bata do kyuki tommrow is my exam |
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| 23. |
Give any two way in which biodegradable substance would affect the environment |
| Answer» Thay stink...... | |
| 24. |
why Mendel chooses pea plant |
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Answer» Because he want quick result and pea plant show his character fast so he choose pea plant in experiment. It is easy to describe character Because it was easy to grow and had a short life duration |
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| 25. |
Stack holder |
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| 26. |
What is thermite reaction ? And how is it used to join the railway tracks |
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Answer» Aluminum reacts iron and they get melt again they r cooled and joined The reaction in which the amount of heat released is so much high that the product gets formed in molten state ex |
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| 27. |
What is ioniziation |
| Answer» When a substance(metal or non metal) get ionised that process is known as ionisation | |
| 28. |
What are the compound which are formed by hydrolysis of magnesium carbide |
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Answer» Mg2C3 + 4H2O → 2Mg(OH)2 + C3H4 2Mg(OH)2 + C3H4 |
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| 29. |
Why iron is not used as a good conductor of electricity? |
| Answer» Because the it get rusted easily by atmosphere | |
| 30. |
What kind of change are not inheritable |
| Answer» Change in nature behaviour | |
| 31. |
What is the use of electromagnetic |
| Answer» to produce induced current | |
| 32. |
Drow a lablled diagram of human female reproduction organ |
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| 33. |
What is the chemical formula of hydrated copper sulphate |
| Answer» CuSO4.5H2O | |
| 34. |
What is colvant bond |
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Answer» The bond formed by mutual sharing of electrons is known as covalent bond... Sharing of electron pair between two atoms |
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| 35. |
Why do we see the moon only at night? |
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| 36. |
Function of newborn? |
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| 37. |
The phenomenon of Phototropisim Explain. |
| Answer» The directional movement of plant in respond to light is called Phototropism. | |
| 38. |
Describe any activity to illustrate the phenomenon of Phototropisim and Explain Why does Occur |
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| 39. |
What is the class of compound ester represent |
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| 40. |
What happens when there is no gall bladder .? |
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| 41. |
Which of following solution has more OH- ion concentration? 1M.HCl or 1M.NaOH |
| Answer» NaOH | |
| 42. |
What are magnetic lines of force |
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| 43. |
The resistance of the wire when the length of the wire increases two times |
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Answer» Sorry 4 times A times but dont know how |
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| 44. |
What is smalls law |
| Answer» Sin i / Sin r | |
| 45. |
Why fire flies glow? |
| Answer» बिकॉज़ इट has स्पेशल टाइप ऑफ केमिकल | |
| 46. |
What is average duration of human pregnency? |
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Answer» 9 मोनथस 9months and 10 days... 9 months |
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| 47. |
Why iron does not react with cold water? |
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| 48. |
What advantage is given to a species due to the variations |
| Answer» Variations in the species may confer survival advantage or merely contribute to the genetic drift | |
| 49. |
What is mental theory |
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| 50. |
What is the smallest gland of human body |
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Answer» Puitary gland Pancreas |
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