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Q. Explain Colligative properties of Solutions?
Colligative properties of solutions are those properties which depend on the concentration of the solution rather that the type of substance in the solution.
The following colligative properties result from increasing the concentration of a solution:
The vapor pressure of the solution is lowered The boiling point is increased The freezing point is decreased
Assume that we want to make buffer by dissolving in water some amount of the compound which we selected by the table as given below; After that adding either strong acid (f
Freons - Halogen Derivatives The chloro fluoro that is derivatives of methane and ethane are called freons. Some of the derivatives are: CHF 2 Cl (monochlorodifluoromethane)
Why magnesium does not impart any colour to Bunsen flame while calcium does
Q. Ash content of a foodstuff? Ash content of a foodstuff represents inorganic residue remaining after destruction of organic matter. It may not be the exact measure of the tot
2p orbitals have : (1) n=1, l=2 (2) n=1, l=0 (3) n=2 l=1 (4)n=2, l=0 Ans: n=2 l=1
What are laws of crystallography? How does it help in study of crystal structure
Which of the following reduces the activation energy of a chemical reaction?
write a note on the oxide of 3d transition metal
Q. Show the Properties of diborane? Diborane is a colourless gas (b. p., 183K). It is rapidly decomposed by water with the formation of H 3 B0 3 and H 2 : B 2 H, + 6H 2 0 -
complete discription of van''t hoff factor
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