Question

what is black substance of road production

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Answer 1

• Asphalt, often known as bitumen, is a thick, sticky, black liquid or semi-solid petroleum product.
• It's classified as a pitch and can be found in natural deposits or as a refined product.
• The name asphaltum was also used before to the twentieth century. The word o ásphaltos is derived from the Ancient Greek o ásphaltos.
• The Pitch Lake, in southwest Trinidad (Antilles island off the northeastern coast of Venezuela), is home to the world's biggest natural deposit of asphalt, believed to hold 10 million tonnes.