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प्रश्न
Write an equation for the reaction of hydrochloric acid on magnesium foil.
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उत्तर
\[\ce{Mg + 2HCl -> MgCl2 + H2}\]
संबंधित प्रश्न
State your observation when dilute hydrochloric acid is added to a lead nitrate solution and the mixture is heated.
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Write an equation for the reaction of aqueous hydrochloric acid on lead nitrate solution.
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A chemical in which gold can be dissolved.
Match the following:
| Column A | Column B |
| 1. A substance that turns moist starch iodide paper blue. | A. Ammonium sulphate |
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| 3. A solution of this compound gives dirty green precipitate with sodium hydroxide. | C. Chlorine |
| 4. A compound which on heating with sodium hydroxide produces a gas which forms dense white fumes with hydrogen chloride. | D. Copper nitrate |
| 5. A white solid which gives a yellow residue on heating | E. Ferrous sulphate |
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The ratio between the volumes occupied by 4.4 grams of carbon dioxide and 2 grams of hydrogen gas is ______.
