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Calcium carbide is an inorganic compound, industrial products are gray black blocks, cross-section purple or gray.?Calcium carbide is an important basic chemical raw material, mainly used to produce acetylene gas.?Also used in organic synthesis, oxyacetylene welding and so on.

Calcium carbide is an inorganic compound, industrial products are gray black blocks, cross-section purple or gray.?Calcium carbide is an important basic chemical raw material, mainly used to produce acetylene gas.?Also used in organic synthesis, oxyacetylene welding and so on.

Calcium carbide is an inorganic compound, industrial products are gray black blocks, cross-section purple or gray.?Calcium carbide is an important basic chemical raw material, mainly used to produce acetylene gas.?Also used in organic synthesis, oxyacetylene welding and so on.

Calcium carbide is an inorganic compound, industrial products are gray black blocks, cross-section purple or gray.?Calcium carbide is an important basic chemical raw material, mainly used to produce acetylene gas.?Also used in organic synthesis, oxyacetylene welding and so on.

Calcium carbide is an inorganic compound, industrial products are gray black blocks, cross-section purple or gray.?Calcium carbide is an important basic chemical raw material, mainly used to produce acetylene gas.?Also used in organic synthesis, oxyacetylene welding and so on.

Calcium carbide is an inorganic compound, industrial products are gray black blocks, cross-section purple or gray.?Calcium carbide is an important basic chemical raw material, mainly used to produce acetylene gas.?Also used in organic synthesis, oxyacetylene welding and so on.

Calcium carbide is an inorganic compound, industrial products are gray black blocks, cross-section purple or gray.?Calcium carbide is an important basic chemical raw material, mainly used to produce acetylene gas.?Also used in organic synthesis, oxyacetylene welding and so on.