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When a substance a reacts with water, it produces a combustible gas B and a solution of substance C in water. When another substances D reacts with this solution of C . It also produce gas B on reaction with dilute sulphuric acid at room temperature . A imparts a deep golden yellow colour to the smokless flame of bunsen flame A,B , C and D are respectivelyA. Na, `H_(2)`, NaOH and ZnB. K, `H_(2)`, KOH and AlC. Ca, `H_(2)`, `Ca(OH)_(2)` and SnD. `CaC_(2), C_(2)H_(2)`, `Ca(OH)_(2)` and Fe. |
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Answer» Correct Answer - A `{:(2Na+2H_(2)Orarr,2NaOH,+H_(2),),((A),(C ),(B),),(2NaOH+Znrarr,Na_(2)ZnO_(2),+H_(2),),((C )" (D)",,(B),):}` Na(A) imparts a golden yellow colour to the flame. |
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