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Fill the table based on the given information:
 
Answer variants:
Not a natural component of air.
Directly prepared from Carbon and Sulphur.
Formed by treating sodium hydroxide with carbonic acid.
Colourless, inflammable, highly poisonous gas.
Colourless, odourless, highly toxic.
Colourless, odourless, highly toxic, sparingly soluble in water.
White crystalline substance, sparingly soluble in water.
Solvent for sulphur. To manufacture styrene.
 
Compounds
Formation
Properties
Carbon monoxide
Calcium disulphide
Sodium bicarbonate