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
jamb 1992chemistry

The correct answer is C. It is very soluble in water

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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