Collecting and Testing for Gases
Quiz - gcsescience.com.

1. The test for chlorine gas is

a) It smells like apples

b) It bleaches moist litmus paper white

c) It turns universal indicator blue

d) It conducts electricity

 

2. The test for carbon dioxide gas is

a) It smells of peaches

b) It turns moist litmus paper blue

c) It turns sodium hydroxide into yogurt

d) It turns lime water milky

 

3. The test for hydrogen gas is

a) It puts out a glowing splint

b) It relights a glowing splint

c) It burns quickly with a squeaky pop

d) It burns slowly with a lilac flame

 

4. The test for oxygen gas is

a) It puts out a glowing splint

b) It relights a glowing splint

c) It burns quickly with a violent explosion

d) It burns slowly with a smell of bananas

 

5. Chlorine gas can be collected

a) By downward delivery

b) By upward delivery

c) By email

d) By optical fibre

 

6. Carbon dioxide gas can be collected

a) By downward delivery

b) By upward delivery

c) By using a net

d) By a satellite

 

7. Hydrogen gas can be collected

a) By downward delivery

b) Over honey

c) Over margarine

d) Over water

 

                       
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