Testing for gases

Question 1

how do we test for chlorine gas

Answer 1

get a piece of blue litmus paper and dampen it, put the litmus paper into the solution

Question 2

what is a positive test for chlorine gas

Answer 2

Litmus paper turns white

Question 3

how do we test for oxygen

Answer 3

you need a glowing splint, we then get our sample of gas and put our splint inside

Question 4

what is a positive test for oxygen

Answer 4

the glowing splint will relight into a full flame as burning requires oxygen

Question 5

what is the test for hydrogen

Answer 5

you will need a lit splint will a full flame and a test tube with hydrogen. next, you have to put the lit splint inside of the tube

Question 6

what is a positive test for hydrogen

Answer 6

A loud squeaky pop

Question 7

how do we test for carbon dioxide

Answer 7

we have to bubble the gas sample which might contain carbon dioxide through limewater (Calcium Hydroxide)

Question 8

what is a positive test for carbon dioxide

Answer 8

The limewater turns cloudy

Question 9

how do we test for ammonia gas

Answer 9

we first dampen the red litmus paper inside of the solution

Question 10

what is a positive result of ammonia gas

Answer 10

red litmus paper turns blue when inserted into the solution