PROCEDURE: OXYIGEN Invert the other bottle of oxygen, covered with glass plate,

Question

PROCEDURE: OXYIGEN

Invert the other bottle of oxygen, covered with glass plate, and place it mouth to mouth over a bottle of air so that the oxygen bottle is on top of the air bottle.

Then remove the glass plate between the bottles and allow them to stand mouth to mouth for 2 minutes.

Cover each bottle with a glass plate and set the bottles down, mouths upward.

Test the contents of each bottle with a glowing splint

watch the intensity of the fire and how long the burning last

are they produce the same brightness? What can i possible expect?

Are they last the same amount of time? What can i possible expect?

Explanation / Answer

The composition or reactio in the bottles is not mentioned.

However the glowing splint test is used to determine the presence of oxygen in the bottle (produced by any reaction)

If the bottle consists of

a) air: then the splint bring to the mouth of bottle will show brightness less as compared to the bottle will with oxygen only

b) oxygen: the splint bring to the mouth of bottle will burn for more time as compared to bottle with air.

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