Question

Which of the following statements is true about basic oxides?

• A. They form salts with bases.
• B. They turn blue litmus to red.
• C. Carbon dioxide is an example of basic oxide
• D. They turn red litmus to blue.

Answer 1

The correct option is D

They turn red litmus to blue.

• As the name indicates basic oxides are basic in nature.
• So, it turns red litmus to blue.
• Examples of basic oxide: Magnesium oxide$\left(\mathrm{MgO}\right)$, Calcium oxide$\left(\mathrm{CaO}\right)$.