Question id 348 - Preflight Preparation - FAA PPL(A) - Private Pilot Airplane

Frost may prevent the airplane from becoming airborne at normal takeoff speed.
Frost will change the camber of the wing, increasing lift during takeoff.
Frost may cause the airplane to become airborne with a lower angle of attack at a lower indicated airspeed

Training tests and timed exam simulations FAA PPL(A) - Private Pilot Airplane