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Principle of chromatography - Purification of organic compounds
The method of chromatography is based on the difference in the rates at which the components of a mixture move through a porous medium (called stationary phase) under the influence of some solvent or gas (called moving phase). So, this technique contains two phases- one is a stationary phase of large surface area whereas the second is a moving phase which is permitted to move slowly over the stationary phase. The stationary phase is either a liquid or a solid when the moving phase may be a liquid or a gas.
Classification of polymers - Elastomers The polymers which have elastic character such as rubber (a material that can return to its unique shape after stretching is said to be
Q. Briefly explain Nuclear Power? Ans. As an energy source, nuclear power is an alternative to fossil fuels. Controlled nuclear chain reactions are used to generate elect
what is the empirical formula of a compound that contains 53.73% iron and 46.27% sulphur?
He- is p block element
i need to know the answer for dis-advantage of scale and sludge
Cationic detergent - Types of Detergent These types of detergent are mainly acetates or chlorides of quaternary amines. Being much more restricted than the anionic detergents t
Why is zinc is not extracted from zinc oxide through reduction with CO? Solution) Reducing agent should have more negative ΔG value. In case of zinc oxide ,Zn has more negativ
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types of electrochemical cells any 5
Q Explain Working of Galvanic Cell? Ans. There are several types of electrochemical cells. One type of electrochemical cell is called a galvanic cell . (A battery is a galvan
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