The element Z burns in air to form an oxide. The aqueous solution of this oxide turns blue litmus to red. The element Z is most likely to be:
A. carbon
B. calcium
C. iron
D. magnesium
Answer:A
The element Z burns in air to form an oxide. The aqueous solution of this oxide turns blue litmus to red. The element Z is most likely to be:
A. carbon B. calcium C. iron D. magnesium