Question
1. An organic liquid decomposes below its boiling point. How will you purify it?
2. Name three types of chromatography?
2. Name three types of chromatography?
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Calculate the threshold wavelength.
[Given: 1 eV = 1.6 × 10-19J]
$\text{H}_2\text{O},\text{BF}_3,\text{H}^+$ and $\text{NH}^+_4$