Question

What is the nature of urea? Is it acidic, basic / neutral? How can we verify it?​

Answer 1

Hint : The $pH$ of a solution with a value of $7$ is considered neutral. The solution is acidic if the $pH$ is less than $7$ . A basic solution is one with a $pH$ greater than $7$ .

Complete Step By Step Answer:
Urea, also referred to as carbamide, is an organic compound. Urea is the main nitrogen-containing agent in mammalian urine, and it plays an important role in animal nitrogen-containing compound metabolism. It's a colourless, odourless solid that's extremely water-soluble and almost non-toxic. Urea is a valuable raw material for the chemical industry and is commonly used as a nitrogen source in fertilisers.
The discovery by Friedrich Wohler that urea can be made from inorganic starting materials was a significant conceptual breakthrough in chemistry. It revealed for the first time that a substance previously only recognised as a byproduct of life could be synthesised in the laboratory without the use of biological starting materials, defying the widely held vitalism doctrine that life's chemicals could only be created by living beings.
Urea is acidic by composition. Litmus paper may be used to verify it. The blue litmus turns red, indicating the presence of an acid.

Additional Information:
Litmus paper is a sort of $pH$ paper that is created by dying the paper with natural lichen dyes. A small drop of sample is placed on the coloured paper for the litmus test. Litmus paper is usually red or blue in colour. When the $pH$ is alkaline, the red paper turns blue, and when the $pH$ is acidic, the blue paper turns red.

Note :
The skin, eyes, and respiratory tract can all be irritated by urea. Dermatitis may be caused by prolonged or frequent skin contact with urea in fertiliser form.