Testing for gases

Question 1

What is limewater?

Answer 1

An aqueous solution of calcium hydroxide

Question 2

Describe the test for hydrogen gas and the result when hydrogen is present

Answer 2

Test= Lighting a splint

Result= Squeaky pop

Question 3

Describe the test for oxygen gas and the result when oxygen is present

Answer 3

Test= Glowing splint

Result= The splint will relight

Question 4

Describe the test for carbon dioxide gas and the result when carbon dioxide is present

Answer 4

Test= Bubble the carbon dioxide through limewater

Result= The limewater will turn a cloudy white

Question 5

Describe the test for chlorine gas and the result when chlorine gas is present

Answer 5

Test= DAMP blue litmus paper

Result= The litmus paper will be bleached white