Understanding Ancient Purple and the Discovery of Bromine

In ancient times, what was the significance of wearing purple clothing?

• It was a common color for all classes.

• It was a sign of mourning.

• It was used only for religious ceremonies.

• It was a symbol of wealth and status.

What is the main component that gives Tyrian purple its color?

• Diethyl ether

• Mercury

• Dibromo indigo

• Chlorine

Which element is known for being liquid at room temperature, besides mercury?

• Chlorine

• Iodine

• Bromine

• Fluorine

Who was the first chemist to publish the discovery of bromine?

• Dmitri Mendeleev

• Karl Jakub Luvig

• Antoine Ballard

• Louis Pasteur

What method did Karl Jakub Luvig use to isolate bromine?

• Mixing bromine with silver

• Treating seaweed ashes with chlorine

• Using diethyl ether to distill bromine

• Heating bromine with mercury