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The metal that liberates hydrogen from cold water in bubbles only is?

Chemistry
JAMB 2003

The metal that liberates hydrogen from cold water in bubbles only is?

  • A. Na
  • B. K
  • C. Ca
  • D. Al
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Correct Answer: Option C
Explanation

After a second or so, the calcium metal begins to bubble vigorously as it reacts with the water, producing hydrogen gas, and a cloudy white precipitate of calcium hydroxide.

There is an explanation video available below.

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Explanation Video

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