Testing for Gases

The Test for Chlorine Gas,  Cl2(g).

1)  Chlorine gas is green-yellow in colour.

2)  Chlorine gas has a pungent choking smell.

3)  Chlorine gas turns moist litmus paper from blue to red
and
moist universal indicator paper to red - it is acidic.
After turning red both papers are then bleached white.

4)  Chlorine gas will put out a lit splint.

 

Specific Test for Chlorine Gas.

Chlorine is the only gas that has a bleaching affect.


Collecting Chlorine Gas.

Chlorine gas is more dense than air and can be
collected by downward delivery or using a gas syringe.

gcsescience.com     The Periodic Table      Index      Chemistry Quizzes    gcsescience.com

Home      GCSE Chemistry      GCSE Physics

Copyright © 2014 Dr. Colin France. All Rights Reserved.