Question

When magnesium combines with oxygen it produces magnesium oxide that appears to be like:
(a) chalk powder
(b) powdered sugar
(c) wood ash
(d) table salt​

Answer 1

When magnesium combines with oxygen it produces magnesium oxide that appears to be like:

(a) chalk powder

(b) powdered sugar

(c) wood ash✔

(d) table salt

Answer 2

Explanation:

wood ash. because when magnesium combines with oxygen it reacts and then it forms a powdered mixture which will be like wood ash this is because the colour of the magnesium is black.