Calcium carbide is also used for ripening fruit artificially in some countries. Calcium carbide reacts with water to produce acetylene, which acts as an artificial ripening agent. Industrial-grade calcium carbide may contain traces of arsenic and phosphorus which makes it a human health concern Consider the following statements about acetylene
(a) It is used in welding industry
(b) It is a raw material for preparing plastics
(c) It is easily obtained by mixing silicon carbide and water
of these statements