consider four beakers labeled a, b, c, and d, each containing an aqueous solution and a solid piece of metal. identity the beakers in which a chemical reaction will occur and those in which no reaction will occur. mn(s) ca(no3)2(aq) koh(aq) fe(s) pt(no3)2(aq) cu(s) cr(s) h2so4(aq) drag each item to the correct bin.