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Science and Technology Knowledge Quiz - 12 August 2014

1. Which property of Tungsten makes it eligible to be used in bulbs?
[A]Highest melting point
[B]Lowest melting point
[C]Highest malleability
[D]Highest resistance


2. Which among the following diseases is caused by deficiency of Nicotinic acid? 
[A]Anemia
[B]Pellagra
[C]Scurvy
[D]Goiter


3. Which of the following causes the drop of water to be in spherical shape?
[A]Gravity of earth
[B]Temperature
[C]Surface tension
[D]Air resistance


4. If water is heated, it vapor pressure will ________________.
[A]First increase and then decrease
[B]Decrease
[C]Increase
[D]Nothing happens to vapour pressure


5. What is the transition from the solid to gas phase with no intermediate liquid stage called?
[A]Solid phase extraction
[B]Sublimation
[C]Evaporation
[D]Adsorption


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