Translate the following statements into chemical equations and then balance them:
a.Nitrogen gas is treated with hydrogen gas in the presence of a catalyst at 773K to form ammonia gas.
b.Chlorine gas is passed in an aqueous potassium iodide solution to form potassium chloride solution and solid iodine.
Answer:
(a) Hydrogen gas combines with nitrogen to form ammonia. (b) Hydrogen sulphide gas burns in air to give water and sulphur dioxide.
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