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What is the dipole moment of chloro-octane? Ans) There are many forms of the molecule "chloro-octane." This is due to the chlorine atom can be attached to the octane chain in va
FIND HYBRIDISATION OF NITROGEN IN NO
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which solution is formed when iodine solution ,copper sulphate and caustic soda are mixed?
what is the name for the following compound,CH3-C=C-CH-CH=CH2
This of the following occurs when two hydrogen atoms bond with each others: (1) Potential energy is lowered (2) Kinetic energy is lowered (3) Electronic motion ceases
Write the maximum possible coordination number of an atom in an hcp crystal structure of an element? Illustrate the formula relating pressure of a gas with its mole fraction in
Energy of orbit: (1) Increases as we move away from nucleus (2) Decreases as we move away from nucleus (3) Remains same as we move away from nucleus (4)None of the
Which type of bond is formed between similar atoms: (1) Ionic (2) Covalent (3) Coordinate (4) Metallic Ans: Covalent
What is the diagonal relationship between Beryllium and Aluminium
Colloids are classified as two types which are the lyophilic / reversible and lyophobic / irreversible. If water is the dispersion medium, then the term used are hydrophilic and hydrophobic.Lyophilic colloids: A colloidal system which may be constructed readily by simple warming or shaking the substance in a suitable solvent is called as lyophilic colloid. Substances that form lyophilic colloids involves gelatin, starch, and rubber, proteins, gum. Lyophilic colloids are also named as reversible colloids as on evaporating the dispersion medium such as water, the substance or the residue may be again reconverted into colloidal state simply by addition of the liquid i.e. water. These solutions are reasonably stable and usually cannot be easily precipitated.Lyophobic colloids: colloids constructed with difficulty are termed as lyophobic colloids. These colloids are constructed by substances such as As2S3 , Fe(OH)3, gold and other metals that are sparingly soluble and thus their molecules do not pass readily into colloidal state. Lyophobic colloids are called as irreversible colloids since the residue cannot readily be reconverted into sol by ordinary means. These solutions are quite readily precipitated and hence they are not stable.
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