Skip to content / Đến nội dung
ThichHocToan.com

ASMO Science Olympiad 2016 — Level 2 (Years 5 & 6) — Contest Question 9

ASMO Science · ASMO Science Olympiad 2016 — Level 2 (Years 5 & 6) — Contest

Question 9

Lead compounds were added to petrol to help it combust efficiently in car engines. It is no longer Uses in car engines because it will ______.

Question illustration
  1. Damage ozone layer
  2. Cause damage to nervous system
  3. Cause acid rain
  4. Produce carbon monoxide in the car engine