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Drying of Organic Substances- purification of organic compounds
Several solids are dried first by pressing them gently in between folds of filter papers. Compounds that neither decompose on heating nor melt below 100oC are dried through keeping them in steam or oven maintained at 110oC. Substances that decompose on heating are dried by keeping them in a vacuum desiccator consisting of an appropriate dehydrating agent such as fused CaCl2, conc. H2SO4, P4O10 solid KOH or NaOH, etc (desiccant).
Q. Place these types of light in order from highest to lowest energy. Infrared light, ultraviolet, radio waves, microwaves, green light? Ans: Highest Energy radio waves
Refining of petroleum: Petroleum (crude) extracted from earth's crust is an intimate mixture of many organic compounds. Crude petroleum needs to be purified and its components
what is allyl componund
Q. What is Percent error? Quantities measured throughout an experiment are called experimental values. The dissimilarity between an accepted value and an experimental value is
Antihistamines: Antihistamines are chemical substances that abolish/diminish the major actions of histamine released in the body and therefore avoid the allergic effects. Alter
instrumentation and applications of radiometric titration
A hydrogen-filled balloon was ignited and 2.00 of hydrogen reacted with 16.0 of oxygen.
how does chemical bonding takes place?
writethe sort farmula of learn the pariodik table.
What are the basic physical and chemical properties of this group
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