When it sinks.
soda
yes
Probably a bad ground, worn out resistor or damaged float that as filled with fuel and no longer floats in gasoline.
acid from the orange juice has high density compared to the ice cube
It will either float in the air for longer or go bang :-)
100% helium
No there is just very low gravity on the moon so you would be able to jump longer distances and such.
When uncooked eggs float in water, it usually means that they are no longer fresh and have started to go bad. This is because as eggs age, the air pocket inside them grows larger, causing them to become less dense and float in water.
Yes, the size of a parachute does affect how long it will float in the air. A larger parachute with more surface area will create more drag, slowing the descent and allowing it to float in the air longer compared to a smaller parachute.
Ice cubes will float longer in flat pop compared to carbonated pop. Carbonation creates bubbles, which attach to the surface of the ice cube and cause it to rise to the top more quickly. With flat pop, there are fewer bubbles to lift the ice cube, so it will remain submerged for a longer period.
The needle and seat have dirt stuck between them, the needle and seat are worn out, the float is not adjusted properly or stuck, the float has failed (no longer has buoyancy), excess fuel pressure,
it would make it float a little bit longer, but not very long.