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दिये गये अज्ञात अकार्बनिक लवण में ऋणायन मूलक का आर्द्र परीक्षण द्वारा पहचान करें।
Identify the anion radical in the given inorganic salt by wet test,
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Add 1 or 2ccs of dilute H2SO4 to a small portion of the salt in a test tube and warm it gently. Brisk effervescence is obtained from colorless, odorless gas that turns lime water. Colorless gas with an odor of rotten eggs is obtained, turning lead acetate black paper. Sulphide anion is present.
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