Question

Which of the following on thermal decomposition yields a basic as well as acidic oxide ?

• A. $NaNO_3$
• B. $KClO_3$
• C. $CaCO_3$
• D. $NH4NO_3$

Answer 1

Answer: (C)

$CaCO_3$

Answer 2

${CaCO3 ->[\Delta] CaO \quad +\quad CO2 ?}$ $\quad$ $\quad$Basic oxide $\quad\quad$ Acidic oxide