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When an ammonium salt is warmed with sodium hydroxide solution, ammonia gas is evolved. State three ways in which you can identify the gas. |
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Answer» The three ways in which the gas can be identified are as follows : (a) It gives dense white fumes when a rod dipped in HCl is held in it. (b) It turns moist red litmus paper blue. (c) It turns phenolphthalein solution pink. |
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