To obtain different pigments present in the extract of the petals of a flower, we use the technique called _____________.

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Solution

Chromatography
The technique is used to separate components of a mixture that dissolve in a solvent.
It involve two phases i.e., mobile phase (solvent) and the stationary phase.
One of the types of chromatography is paper chromatography which utilizes paper as the stationary phase.
As the solvent rises through the stationary phase (paper) different components present in the petals of the flower (pigments) separate into different heights depending upon the solubility in solvent (mobile phase).
Thus, to obtain different pigments present in the extract of petals of a flower, we use a technique called chromatography

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name the techinique used to separate a mixture of different pigmentsfrom an extract of flower petals

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The different pigments from an extract of the flower petals.

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