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Wednesday, October 22, 2014

MCQ Online Practice Test General Science - 22 Oct 2014

1. Distillation at reduced pressure is used for liquids which have _______________.
[A]High boiling points
[B]Low boiling points
[C]High volatility
[D]Decomposed before their boiling points


2. Which of the following has the minimum incubation period comparing to other ones?
[A]Measles
[B]Influenza
[C]Small Pox
[D]Mumps


3. Which of the following is not correctly matched?
[A]White Gold: Gold and Silver
[B]Duralumin: Copper and Aluminium
[C]Brass: Copper and Zinc
[D]Constantan: Copper and Nickel


4. Which among the following first increases and then decreases in the period of a periodic table?
[A]Chemical recativeness
[B]Valency
[C]Electron affinity
[D]Metallic property


5. What percentage of body's calcium is stored in bones and teeth?
[A]99%
[B]95%
[C]82%
[D]70%


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