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Gas Tests

Total questions: 10

Worksheet time: 4mins

Name
Class
Date
1.

which gas is this testing for?

a)

hydrogen

b)

chlorine

c)

oxygen

d)

carbon dioxide

2.

This is testing for....

a)

hydrogen

b)

oxygen

c)

chlorine

d)

carbon dioxide

3.

What liquid tests for CO2?

a)

water

b)

limewater

c)

chlorine

d)

acid

4.

To test for hydrogen you....

a)

use a lit splint

b)

use a glowing splint

c)

add anhydrous copper sulphate

d)

bubble the gas through limewater

5.

When a glowing splint is put into oxygen we will observe....

a)

the splint relight

b)

the splint go out

c)

a squeaky pop

d)

no change

6.

What is the test for HYDROGEN gas?

a)

Put near a flame - makes a squeaky pop!

b)

Put in a glowing splint - the splint relights!

c)

Bubble through Lime Water - goes from clear to cloudy!

d)

Put in a burning splint - the splint goes out!

e)

Add to Anhydrous Copper Sulfate - goes from white to blue!

7.

What is the percentage of NITROGEN in the Air?

a)

0.03%

b)

1%

c)

21%

d)

78%

8.

The air we breathe in contains MORE OXYGEN than the air we breathe out?

a)

True

b)

False

9.

The air we breathe out generally contains MORE WATER VAPOUR than the air we breathe in?

a)

True

b)

False

10.

The air we breathe out is generally COLDER than the air we breathe in?

a)

True

b)

False