An element Z reacts with water to form a solution which turns phenolphthalein indicator pink. The element X is most likely to be:
A. Sulphur
B. sodium
C. carbon
D. silicon
Answer:B
An element Z reacts with water to form a solution which turns phenolphthalein indicator pink. The element X is most likely to be:
A. Sulphur B. sodium C. carbon D. silicon