Question 3 ( How is an unknown sample identified using TLC? Mark all that apply. By comparing solubility of the sample to those of known compounds By comparing melting point of the sample to those of known compounds By comparing the Rf value of unknown to those of known compounds By comparing the color, shape, and distance traveled by sample to those of known compounds Question 4 (₁ IIC) What is the purpose of performing a thin layer chromatography experiment? Mark all that apply. To use TLC as a tool in identifying an unknown To use TLC as a tool to determine purity of compounds separated by extraction To identify aldehydes and ketones To separate components of a mixture

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