what is meant by downward displacement of water
In downward displacement of water, you immerse a jar in a large container of water and let it fill completely with water. Then turn the jar upside down, and put the tube for the gas under the jar opening. The gas enters the jar and forces the water down and out as the jar fills with gas - so it it called "downward displacement of water." This is a good way to collect a jar of oxygen, hydrogen or natural gas from the gas tap.
Hi , I am Siddharth.....
the answer to this question is......
What the Downward Displacement of water actually is is when water is pushed downwards to allow an increase in gases being able to move into a certain area. Therefore forcing water out and creating room, the amount of water being pushed away over a period of time is an indication of the effect of substrate concentrate on the rate of enzyme concentration because of the amount of gas released.
gases which are not or are slighty soluble in water are got by this meathod as the gas is not mixed with water
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