SSC CGL 2021 PYQ — Question 47

SSC CGL - 20 Aug 2021 - Shift 1 • General Awareness • Q47

Which of the following minerals produces green colour in fireworks?

Show answer & explanation

Correct answer: B

Explanation

The correct answer is option 2 i.e. Barium.

  • Calcium chloride, sodium nitrate, barium chloride, copper chloride, and other metal salts are frequently used in fireworks displays.
  • Barium is responsible for the green flame that fireworks emit.
  • Copper is what causes the flame to turn blue.
  • Calcium is what causes the orange flame to appear.
  • The presence of sodium causes a yellow flame.
  • Fireworks get their crimson colour from lithium.