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SCIENCE TRIVIA XXIV

231) If a body covers a displacement of 50 meters in 10 seconds. What is the velocity of the object?


If a body covers a displacement of 50 meters in 10 seconds, it is traveling at a velocity of 5 meters per second.

232) How many electrons are present in H+?


A hydrogen atom (H) contains one electron and H+ represents a hydrogen ion, which means it has lost its only electron.

233) Which of the following is NOT true of metals?


Metals are not permeable because they don't allow liquids and gases to pass through them.


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