Question text
19 A transparent box has a dividing wall in its middle. It contains two different gases, one in each half, as shown. dividing wall brown gas colourless gas The dividing wall is removed. The box is left for a long time. The gases do not react. What is then seen in the box? A brown gas on the right and colourless gas on the left B pale brown gas throughout C several distinct clouds of colourless and brown gas throughout D colourless gas on the right and brown gas on the left
19 A transparent box has a dividing wall in its middle. It contains two different gases, one in each
half, as shown.
dividing wall
brown gas colourless gas
The dividing wall is removed. The box is left for a long time. The gases do not react.
What is then seen in the box?
A brown gas on the right and colourless gas on the left
B pale brown gas throughout
C several distinct clouds of colourless and brown gas throughout
D colourless gas on the right and brown gas on the left
Select your answer: