Which organic compound was the 'First' to be synthesized in a laboratory?

Which metallic element is called 'ferromagnetic' because of its strong...

The blue color of the copper sulphate crystal is due to:...

The correct chemical formula of the compound Magnesium Hydroxide is:...

Which of the following contains the highest percentage of Nitrogen?...

In the context of water pollution, what does a high Biological Oxygen ...