Multiple choice

Which element, when treated with oxygen, burns with dazzling flame followed by white fumes and the product formed, when treated with moist blue litmus, turns it red?

  1. Sulphur

  2. Sodium

  3. Magnesium

  4. Phosphorous

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the right answer. The oxide formed by it is acidic in nature and turns moist litmus paper from blue to red.