InterviewSolution
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InterviewSolution
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Match List I with List II and select the correct answer using the codes given below the list : `{:(,"List I","List II",),(1.,"Heavy water",(a)"Bicarbonates of Mg and Ca in water",),(2.,"Temporary hard water",(b)"No foreign ions in water",),(3.,"Soft water",(c)D_(2)O,),(4.,"Permanent hard water",(d)"Sulphates and chlorides of Mg and Ca in water.",):}`A. 1-c, 2-d, 3-b, 4-aB. 1-b, 2-a, 3-c, 4-dC. 1-b, 2-d, 3-c, 4-aD. 1-c, 2-a, 3-b, 4-d. |
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Answer» Correct Answer - D Heavy water is `D_(2)O` (1-c). Temporaary hard water contains bicarbonates of `Ca^(2+)` and `Mg^(2+)` (2-a) Soft water may no foreign ions (3-b) Permanent hard water contains sulphates and chlorides of `Ca^(2+)` and `Mg^(2+)` (4-d). |
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