Test for gases

Question 1

Test for AMMONIA

Answer 1

• Damp litmus paper in it
• Turns BLUE

Question 2

Test for CO2

Answer 2

• Bubble gas through limewater (Ca(OH)2)

Question 3

Test for CHLORINE

Answer 3

-Damp indicator in it, in a fume cupboard
-Indicator BLEACHES (Turner WHITE)

Question 4

Test for HYDROGEN

Answer 4

-Lighted splint
-POP

Question 5

Test for OXYGEN

Answer 5

-Lighted splint
-Turns into flame

Question 6

Test for SO”

Answer 6

-Soak a piece of filter paper in acidified solution
-Put It in jar
-From purple to colourless