GENERAL KNOWLEDGE

Detailed explanation-1: -The first discovery of metal probably happens during the period of 4000BC and first metal that was used by man was copper.

Detailed explanation-2: -The first metal to be extensively used by the people in India was copper. Archaeological evidence suggests that copper was first used between 8, 000 and 5, 000 B.C., most likely in the regions known now as Turkey, Iran, Iraq and toward the end of that period the Indian subcontinent.

Detailed explanation-3: -Tin added in small amounts to copper makes bronze, the first manmade metal alloy. Bronze helped to spur global trade, and, once forged into tools and weapons, it played a defining role in the empires of antiquity. Bronze named an entire age of human civilization. And even today, it’s still hanging around.

Detailed explanation-4: -Explanation: Copper was the first metal used by men. Copper was first used by man over 10, 000 years ago. Probably copper can be found as a naturally occurring native metal that is sometimes found in large lumps on the ground.

Detailed explanation-5: -The first tin alloy used on a large scale was bronze, made of 1⁄8 tin and 7⁄8 copper, from as early as 3000 BC.