What is alloy? Md. Saifur Rahman The solid substance obtained from mixing any molten metal or nonmetal with another molten metal and cooling the mixture is called alloy.You may likeDo I need car insurance?What is car insurance?How could I get cheaper car insurance?What is auto insurance?Why Adulterant food is the barrier to sound health?What are the producers?What are food preservatives?What is food chain?What is tertiary consumer?