Which sentence uses this meaning of vacuum?vacuum verb to clean with a device that sucks airThe chemist pumped the air out of the small glass chamber and turned it into a vacuum.Guests will be here in five minutes, so we'd better vacuum quickly!Submit

Light travels fastest through which of the following?A airB glassC vacuumD water

Compressed air from a can is used to clean computer keyboardsa) Use ideas about particles to explain how a gas causes a pressure on the inside of a container

When was vacuum tube invented?Option A:1900Option B:1910Option C:1906Option D:1880

In which generation Computers vacuum tube were used?

When drying our solid after the filtration process, what do we need to do?Group of answer choicesContinually wash it with fresh solventTurn the pump offLeave it for at least 5-10 minLeave the pump onRemove our filtrate from the vacuum filtration flask