8th Class
Science
Sample Paper
Science Olympiad Model Test Paper-11
question_answer
Alex performs an experiment in laboratory. He takes a glass U tube, fixes it vertically on a stand, keeping the level of both the arms of the tub same He then pours coloured water into the tube to make it half full. He also attaches a polyethylene tube at the end of the U tube and thistle the funnel as shown in the picture below. Which one of the following model did Alex made?