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When a piece of zinc metal is placed in a solution of mercuric chloride, a white layer of layer of mercury is deposited on zinc metal to give it a silvery shiny look. This is because mercury is lower to zinc in reactivity series and hence zinc can be displaced by mercury from HgCl2.1. Which of the following reaction takes place when zinc metal is placed in a solution of mercuric chloride?a. Displacement of mercury from mercuric chloride.b. Displacement of zinc from zinc chloride2. Which metal is more reactive Mercury or Zinc?a. Mercuryb. Zinc3. Which of the following is the most reactive?a. Sodiumb. Copperc. Mercuryd. Zinc4. The process of depositing a layer of Zinc on metal to prevent rusting is known as -a. Oxidationb. Ionizationc. Galvanisationd. None of The Above5. Mercury is a Metal or Lon-Metal?a. METALb. NON - METAL |
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Answer» 1. a. Displacement of mercury from mercuric chloride. 2. b. Zinc 3. a. Sodium 4. c. Galvanisation 5. a. METAL |
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