1.

you aregiventhe followingmaterials 1.Marblechips2.Dilutehydrochloricacid 3.Zinc granules Identifythe typeof reactionwhenmarblechips andzincgranulesare addedseparatelyto acidand zinc granulesare addedseparatelyto acidtakenin twotubes . writechemicalequationsin eachcase .

Answer»

Solution :1.Marblechips chipsreactwithdilutehydrochloricacidto formcalciumchloride and carbonicacid. Theacidchangesto `CO_(2) and H_2O`. Itisa doubledisplacement reaction .
`CaCO_(3(s)) +2HCI_((AQ)) toCaCl_(2(aq)) + H_(2) CO_(3(aq))(CO_(2) H_(2) O)`


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