Question

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

• A. NaNO3
• B. KClO3
• C. CaCO3
• D. NH4NO3

Answer 1

Answer: (C)

CaCO3

Answer 2

CaCO3 CaO    +     CO2$\uparrow$

  Basic oxide   Acidic oxide