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Which of these statements is TRUE about carbon (IV) oxide?

Chemistry
JAMB 1992

Which of these statements is TRUE about carbon (IV) oxide?

  • A. it supports combustion
  • B. It is strongly acidic in water
  • C. It is very soluble in water
  • D. It supports the buring of magnesium to produce magnesium oxide
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Correct Answer: Option C
Explanation

Carbon(iv)oxide does not burn, nor support the combustion of most substance . 

The intense heat produced by burning magnesium,

However, decomposes Carbon(iv)oxide to release oxygen for the further oxidation of magnesium.

Carbon(iv)oxide dissolves in water to form trioxocarbonate(iv) acid ( soda water).

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