General Knowledge Questions And Answers :: General Science: part24



General Knowledge : General Science QUESTIONS AND ANSWERS :: part24 : 66 to 70

Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :

66.The pH water at 25 degree C is 7. When it is heated to 100 degree C is 7. When it is heated to 100 degree C, the pH of water :

increases
remains same
decreases
decreases upto 50 degree C and then it increases

67.When an open bottle of scent is kept in a corner of the room, its odour is felt in all the corners. This is due to the phenomenon of :

vaporisation
evaporation
diffusion
sublimation

68.Oil rises up the wick in a lamp because

oil is very light
of the diffusion of oil through the wick
of the surface tension phenomenon
of the capillary action phenomenon

69.A persons spectacles have a power of - 2.0. The spectacles have ...... and are .......1. converging lens 2. diverging lens3. for short sight 4. for long sight

1 and 3
1 and 4
2 and 3
2 and 4

70.If you swim one km, how many miles do you swim ?

0.5
0.62
0.84
1.6

More General Science QUESTIONS AND ANSWERS available in next pages

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