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 Correct Answer: Option C – trioxocarbonate (IV)
When calcium oxide is heated with carbon, the oxide will?
A. be converted to carbide B. be converted to the trioxocarbonate (IV) salt C. decomposes to the metal D. melt, producing carbon (IV) oxide Correct Answer: Option A – be converted to carbide
Trioxonitrate (V) acid is not used for preparing hydrogen gas from metals because it?
A. is strongly oxidizing B. is volatile C. renders the metal passive D. forms a layer of oxide on the metal Correct Answer: Option A – is strongly oxidizing
Choose the correct option from the structure below?
A. A B. B C. C D. D Correct Answer: Option CProducts
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