Question

Is magnesium oxide toxic?

Answer 1

• Magnesium oxide$\left(\mathrm{MgO}\right)$ is formed when magnesium burns in the air in the presence of oxygen.
• It is very toxic when inhaled and causes health problems.
• It also causes irritation in the eyes and nose.
• Exposure to it causes metal fume fever in which there is a metallic taste in the mouth, headache, and fever.

Hence, magnesium oxide is toxic in nature.