Bronze is best known as an alloy of copper and tin, but copper alloyed with aluminum, arsenic, manganese, phosphorous, silicon, etc., can also referred to as bronzes.
Yes, it is, see this 2010 paper Eating artificially ripened fruits is harmful. Calcium carbide is extremely hazardous to the human body as it contains traces of arsenic and phosphorus. It is banned in many countries of the world, but it is freely used in India, Pakistan, Bangladesh, Nepal and other countries. Thus we are at risk of short-term and long-term health effects simply by eating fruits that are induced to ripen. Calcium carbide CaC2 is used to easily generate low levels of ethylene gas which can hasten the (outside at least) ripening of fruits like bananas, mangoes etc.
1 Gas-Producing Foods: Fruits Some fruits contain another sugar, called sorbitol, which causes excessive gas. 2  The biggest culprits include prunes, apples, peaches, and pears.3  Sugar-free gum and candy are sweetened with sorbitol, which is why they can lead to excessive gas, too.egetables that have soluble fiber, like peas, can cause gas as theyâre digested in the large intestine. Those with insoluble fiber should pass through without discomfort or excessive gas. 1  Gas-Producing Foods: Fruits Some fruits contain another sugar, called sorbitol, which causes excessive gas.