STUCK ON HOMEWORK?

Question

Question

P4 Science

Question post on Tue, 20/10/2020 7:48pm

Hi, how do I explain the ans is 4?

Thanks!

mslimtuition · Answer 1 · Post on Tue, 20/10/2020 7:56pm

mslimtuition Post on Tue, 20/10/2020 7:56pm

Air in the flask gain heat, expand and escaped through the delivery tube into the water.

PlayfulFairy · Answer 2 · Post on Thu, 22/10/2020 4:20pm

Does it mean air in the flask expands, occupies more space, push the ink towards the water in the basin?

mslimtuition · Answer 3 · Post on Thu, 22/10/2020 5:42pm

When the air expand, some of the air will enter the delivery tube and push the ink towards the right.