SSC CGLScience

Which of the following was invented by Sir Humphry Davy?

PYQ

aSafety Pin

bSteam Engine

cSafety Lamp

dX-Rays

🔒

Answer & explanation — PYQ Pass

Options are free to see. Unlock the correct answer and full explanation with Pass.

Unlock · ₹149

Practice more SSC CGL Science PYQs

See every question on Science and Technology, or browse the full SSC CGL question bank.