Ответ:
1)a,в
2)а)2mg+o2=2mgo
б)bao+h20=ba(oh)2
в)ca+2hno3=no2+h20+ca(no3)2
г)2na+2h20=2naoh+h2
3) 2al+3сl2=2alcl3
alcl3+3naoh=al(oh)3+3nacl
2Al(OH)3+3Li2O=Al2O3+3LiOH
al2o3+3na2so4=al2(so4)3+3na2o
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Answers & Comments
Ответ:
1)a,в
2)а)2mg+o2=2mgo
б)bao+h20=ba(oh)2
в)ca+2hno3=no2+h20+ca(no3)2
г)2na+2h20=2naoh+h2
3) 2al+3сl2=2alcl3
alcl3+3naoh=al(oh)3+3nacl
2Al(OH)3+3Li2O=Al2O3+3LiOH
al2o3+3na2so4=al2(so4)3+3na2o