A student closed the lid tightly on an empty metal container which was used for paint. She heated the container over a Bunsen burner on a low flame for a few moments and
observed the sides and top of the container bend outwards slightly.
She then turned off the burner and allowed the container to cool.
Which statement explains her observations?
A
The heat increased the pressure inside the container
В
00
B
The heat deformed the metal which then bent
C
С
The heat made the container reduce in size
D
More air particles entered the container