Which of the following roles does sodium chloride play in preparation? It

purifies the soap, accelerates the decomposition of fat and oil

converts the fat acid to its sodium salt

JAMB UTME - Chemistry - 2022 | Green Bridge CBT

Question 1 Report

Crude petroleum is converted to useful products by the process of?

fractional crystallization

fractional distillation

filtration

chromatography

Answer Details

The process of converting crude petroleum into useful products is known as fractional distillation. Crude petroleum is a mixture of different hydrocarbons, and fractional distillation separates these hydrocarbons based on their boiling points. During the process of fractional distillation, crude petroleum is heated to a high temperature, and the resulting vapors are passed through a tower called a fractionating column. This column contains a series of trays, and each tray contains a specific temperature range. As the vapors rise up the column, they cool and condense into liquids on the tray with a temperature that matches their boiling point. The liquids are then collected and further refined into useful products like gasoline, diesel, jet fuel, and heating oil. Fractional distillation is an important process because it allows us to separate and purify the different components of crude petroleum, which have different properties and uses. For example, gasoline has a lower boiling point and is more volatile than diesel fuel, which makes it ideal for use in cars. By separating these components, we can create products that meet specific needs and requirements.

GAS	\( \mathrm{CO_2} \)	\( \mathrm{N_2} \)	\( \mathrm{O_2} \)
% BY VOLUME	4	72	24






Press & Hold to Drag Around
Click Here to Close