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When oil from a tin is poured through a funnel placed tightly into the neck of a bottle the oil stays in the funnel. Why?
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Why does a glass bottle completely filled with water and tightly capped burst when placed in freezer?
esuyt
What happens to a balloon stretched over an empty bottle when the bottle is placed in hot water?
when you but the bottle in hot water the balloon particles push apart and cause expansion
A glass bottle placed on an open book of words makes it easier to read?
The glass bottle acts as a magnifying glass thats why its easier to read.
An unopened bottle of water is taken out of the refrigerator and placed on a table After a while the bottle is covered with droplets of water What phase change has occurred?
condensation. trust me!
What will happen to the balloon stretched over the mouth of this empty bottle when the bottle is placed in hot water and what are all the energy transfers?
the balloon will start to blow up by the heat
A bottle is filled up to its brim with a liquid The bottle is then tightly corked and placed in a freezer As the liquid freezes the bottle cracks The liquid could be?
water
Why does a glass bottle completely filled with water and tightly capped burst when placed in freezer?
esuyt
What happen when the bottle was gently placed on top of the flour?
Different things can happen if a bottle is placed gently on flour. If the flour is all spread out on a counter, then the bottle will leave prints in the flour. If the flour is packed tightly, then it is possible for the flour to be able to hold up the bottle.
What is a filter and how is it used?
It is a glass funnel into which can be placed a circle of folded filter paper (so that it too is the shape of the funnel) liquids may then be poured into the funnel and while the liquids will drain through (to be collected at the base of the funnel), any solids will be retained on the paper.
What does a tullgren funnel do?
The Tullgren Funnel is an apparatus which helps to remove living organisms from leaf litter. Leaf litter is placed in a filter funnel which is covered with black paper. The funnel is then held over a bottle containing a mixture of alcohol and water. There is a piece of gauze present to prevent soil entering the liquid. Once the leaf litter has been placed in the funnel, the apparatus is put under a strong light for at least two weeks. The soil dries out slowly and this encourages the living organisms to move downwards.
Whats the function of a funnel?
To make pouring liquids easier, and, when filter paper is placed in a funnel, it is used as a filter.
What supports a glass funnel?
You can use a ring placed on a laboratory stand.
How does a themos flask work?
Also known as a Buchner or vacuum flask, the flask uses vacuum to filter samples. A vacuum hose is attached to the hose barb and the funnel is placed on top. As the hose creates a vacuum, the sample is filtered through the funnel.
How Collect the filtrate?
Filtrate is collected in a recipient placed under the funnel or filtration apparatus.
What is the rule about the size of filter paper to be used with a funnel?
Usually, it's used to separate a precipitate from the liquid in the solution. The filter paper is folded into quarters and placed in the funnel. The solution is then poured onto the filter paper, where the liquid filters through and the precipitate stays on the filter paper. The precipitate can then be saved or discarded, depending on which part of the solution you want.
What happened to the bubble when you placed the bottle in cold water?
the air condenses and pulls the bottle in on itself
Why should screw cap of a reagent bottle be placed bottom up on the table?
If the cover of a reagent bottle is placed on a table with the bottom down, it can pick up material from the table which would contaminate the contents of the reagent bottle after the cap is put back on the bottle.
