Question

A gas jar of bromine vapour and a gas jar of air are set up as shown in diagram 1.
The glass slide is removed. Diagram 2 shows the appearance of the gas jars after one hour.
102
17
What
air
glass slide
mixture of air
and bromine
bromine
vapour
diagram 2
diagram 1
Which statement explains why the bromine and air mix together?
18 "Pa
ca
А
Bromine is denser than air.
B
Bromine is lighter than air.
C Bromine molecules moved upwards and molecules in air moved downwards.
D Molecules in bromine and air moved randomly.

Answer 1

Explanation:

d air mix together?

18 "Pa

ca

А

Bromine is denser than air.

B

Bromine is lighter than air.

C Bromine molecules moved up

Answer 2

Answer:

d air mix together

18 "pa

ca

A

bromine is denser than air

B

bromine is lighter than air

C

bromine molecules moved up

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