Question

Calcium Oxide is base but not an alkali?

Answer 1

Answer:

Calcium oxide (CaO), commonly known as quicklime or burnt lime, is a widely used chemical compound. It is a white, alkaline, crystalline solid at room temperature.

Explanation:

Answer 2

Answer:

Metal oxides are basic, non-metal oxides are acidic. Now, we need to check if it's soluble or not, as if it is soluble, it's considered an alkali, but if it's insoluble, it is a base. ... Calcium oxide (CaO) , commonly known as quicklime or burnt lime, is a widely used chemical compound.