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A solution which on treatment with hydrochloric acid produces a colourless, odourless gas which turns...

Chemistry
JAMB 2007

A solution which on treatment with hydrochloric acid produces a colourless, odourless gas which turns lime water milky is most likely to be a

  • A. trioxonitrate (V)
  • B. chloride
  • C. trioxocarbonate (IV)
  • D. hydroxide
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Correct Answer: Option C
Explanation

A solution containing carbonate when treated with hydrochloric acid, produces a colourless, odourless gas (carbon dioxide) that turns lime water milky. 

For example, when hydrochloric acid (HCl) reacts with sodium carbonate (Na\(_2\)CO\(_3\)), it releases carbon dioxide (CO\(_2\)) gas, which is colourless and odourless. 

There is an explanation video available below.


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Explanation Video

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