Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

primary 6 | Maths | Fractions
No Answers Yet

Help Maai Wan! Anyone can contribute an answer, even non-tutors.

Answer This Question
Maai Wan
Anonymous

primary 6 chevron_right Maths chevron_right Fractions chevron_right Singapore

Please help with this Science question.

Date Posted: 5 years ago
Views: 329
Louis Lee
Louis Lee
5 years ago
The answer should be 2.
When the flask is being heated, the air inside gains heat and expands, pushing out of the flask and so bubbles will be seen.
After the burner is removed, the air inside the flask will lose heat and contract, thus coloured water will enter the glass tube.
(P.S. Sry I Cant use The Take photo function to give u answer)