Is matter around us pure | class 9 science | chapter 2 | part 3
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The text discusses different separating techniques in science class, including chromatography, distillation, and crystallization, each with specific applications and methods based on the properties of the substances being separated. It also distinguishes between physical changes involving the state of a compound and chemical changes resulting in a new compound with a different formula.
Insights
Chromatography is a technique used to separate colored components based on their solubilities in water, making it valuable for separating colors, pigments, and drugs.
Fractional distillation is a method crucial for separating liquids with small boiling point differences, utilizing a fractionating column connected to a condenser to condense vapors and separate liquids based on their boiling points effectively.
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Recent questions
What is chromatography used for?
Separating colored components by solubilities in water.