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Q. Illustrate Classification of Emulsions?
Emulsions are classified as:
• Oil-in-water emulsion: This is a colloidal dispersion in which droplets of oil are dispersed in water. Example is mayonnaise.
• Water-in-oil emulsion: This is a colloidal dispersion in which droplets of water are dispersed in oil.
Q. Explain about Extraction of metals? Extraction of metals is very often done by complex formation. For example, the cyanide process for the extraction of silver and gold is w
1 gm of a metallic oxide on reduction gives 0.68 gm of the metal. ans) Mass of metal/mass of oxygen=eq. mass of metal/eq. mass of oxygen. applying this we get .68/.32=x/8 x=1
what is the relationship between the rate of cooling and the size of crystals?
It can be because these group tend to decrease the electron density when attached to a benzene or other ring structure preferentially at ortho and pera position.
This brings us to one thing that uniformly drives students crazy. When anything is measured in the lab, you must keep track of how accurately you can measure it. If you measure you
how is ores extracted and the down stream process and its principles?
why halogens are both +R and -I groups?
What are the different mechanism to produce methanol(CH3OH)?
how do you answer organic chemistry based questions
The extraction of sodium metal
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