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Standard VIII
Physics
Question

Look at the diagram and answer the following.
A light bulb connected to the terminals of a simple cell glows and then dims very quickly. This is because bubbles of _____ are formed in the cell. Fill in the blank.

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  1. Nitrogen
  2. Hydrogen
  3. Oxygen
  4. None of the above

A
Oxygen
B
Hydrogen
C
None of the above
D
Nitrogen
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Solution
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A light bulb connected to the terminals of a simple cell glows and dims very quickly because of the hydrogen bubbles formed in the cell.

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285589.gif
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