Multiple choice

Which of the given non metals can act as an explosive material in coal mining, when mixed with carbon dust in liquid state?

  1. Silicone

  2. Sulphur

  3. Lead

  4. Oxygen

  5. Hydrogen

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

The activity series is a chart of metals listed in order of declining relative reactivity. The top metals are more reactive than the metals at the bottom. Titanium is a transition element and is placed above zirconium and next to scandium.