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Adsorption - Colloidal particle
Colloidal particles attract and hold to their surfaces the molecules of various gases, vapors and other matter with which they come into contact. This phenomenon is called adsorption. Adsorption plays a very important part in the character of the colloid .By adsorption the particles acquire an electric charge which governs the stability of the colloid. The phenomenon of adsorption finds widespread application in food preparations. For e.g. a too salty soup stock may be made more palatable by the addition of egg white, which when cooked, will gather and hold the salt on to the surface of its particles and settle down to the bottom of the soup vessel.
EXCRETIO N IN EARTHWORM - Main organs are nephredia, pharyngeal, integumentary & septed nephredia. Main are septal nephredia situated on septa.Nephrostome present. Body
Crustacea The Crustacea show a great morphological diversity of appendages which may be grouped into three categories, cephalic, thoracic and abdominal. Their appendages are c
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Explain Advantages and Disadvantages of Spread Plate Method? The advantages and disadvantages of spread plate method are highlighted next. Advantages 1. It is useful fo
what is copulation
Atherosclerosis, the most common part of hardening of the arteries, is characterized by the presence of cholesterol-rich arterial thickenings (atheromas). This progressive diseas
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How are glycosidic bonds formed? The anomeric hydroxyl group and a hydroxyl group of another sugar or some other compound can join together, splitting out water to form a glyco
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