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Describe the following observations:
a. Lyophilic colloid is more stable than Lyophobic colloid.
b. Coagulation takes place when sodium chloride solution is added to a colloidal solution of ferric hydroxide.
c. Why Sky appears blue in colour.
An air oven A large tin can is used as an air oven. A hole through the lid fitted with a cork holds a thermo- meter, and the saucer or dish rests on a wire gauze bridge placed
Average rate of a reaction is defined as the rate of change of concentration per unit time. It is calculated by dividing the total change in concentration of any one of the react
explain in long answer LAW OF CHEMICAL COMBINATION
comparisons of aas and aes
According to Heisenberg's uncertainty principle, the product of uncertainties in position and velocities for an electron of mass 9.1x 10 -31 kg is: (1) 2.8x 10 -3 m 2 -s -1
Mining of petroleum and Petroleum refining (1) Mining of petroleum: Petroleum deposits takes place at varying depth at different places ranging from 500 to 15000 feet. This is
Explain the term Forging with diagram Forging is shaping of metal either by steady compression or impact between a hammer or ram and anvil. Related to pressing of metal or
General Tests on Benzoic Acid (a) It dissolves in hot water but separates out in the form of white shining flakes on cooling. (b) Benzoic Acid evolves CO 2 with sodium bica
3p orbitals has how many nodes
Chemical Properties of Ethers Ethers are fairly stable compounds. These are not simply reacted along with alkalies, dilute mineral acids, active metals, oxidising agents within
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