Multiple choice general knowledge

Which of the following fire extinguishers are suitable for fire caused by Reactive chemicals and active metals?

  1. Water

  2. Dry chemical powder

  3. Carbon dioxide

  4. Mechanical foam

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

Reactive metals like sodium, magnesium, and potassium react violently with water. Dry chemical powder smothers these Class D fires without causing dangerous reactions.