Test of gases

Question 1

Test: Damp red litmus paper
Results: Went blue

Name the gas

Answer 1

Ammonia NH3

Question 2

Gas: Sulfur dioxide
Test:
Results:

Answer 2

Test: Damp blue litmus paper
Results: Went red then bleached

Question 3

Gas: Chlorine Cl2
Test:
Result:

Answer 3

Test: Damp blue litmus paper
Results: Turns red then bleached

Question 4

Test: Lighted splint
Result: Squeaky pop

Name the gas

Answer 4

Hydrogen H2

Question 5

Gas: Oxygen O2
Test:
Results:

Answer 5

Test: Glowing splint

Results : Relit

Question 6

Test: Blown into limewater
Results: Turns milky white

Name the gas

Answer 6

Carbon dioxide CO2

Question 7

Test: Lighted splint
Results: Extinguished

Name the gas

Answer 7

Carbon dioxide CO2

Question 8

Cobalt reacts with dilute hydrochloric acid to make salt cobalt (II) chloride. Bubbles of hydrogen gas is produced

Describe a test for hydrogen:
Test:
Results:

Answer 8

Test: Lighted splint
Results: Squeaky pop

Question 9

A metal reacts with dilute hydrochloric acid to produce a gas. What is used to identify the gas?

a. glowing splint
b. a lighted splint
c. damp blue litmus paper
d. limewater

Answer 9

b. lighted splint

Question 10

What is used to test for chlorine?

a. a glowing splint
b. damp litmus paper
c. limewater

Answer 10

b. damp litmus paper