Multiple choice general knowledge science & technology

Which one of the following metals reacts very rapidly with water at room temperature?

  1. beryllium

  2. potassium

  3. magnesium

  4. calcium
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Potassium is an alkali metal located in group 1 of the periodic table, making it extremely reactive with water. It reacts violently and exothermically at room temperature, often igniting the hydrogen gas produced.

Keep practicing — related questions