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:
  1. carbon
  2. calcium
  3. iron
  4. magnesium


Correct Answer: A. carbon

Explanation: Carbon is a nonmetal. Nonmetals form oxides which are acidic in nature. Oxide of carbon is acidic and hence, its aqueous solution will turn blue litmus to red.

Tutorialspoint
Tutorialspoint

Simply Easy Learning

Updated on: 10-Oct-2022

225 Views

Kickstart Your Career

Get certified by completing the course

Get Started
Advertisements