Ответ:
2Ca+O2-->2CaO
CaO+HOH-->Ca(OH)2
Ca(OH)2+2HNO3-->Ca(NO3)2+2HOH
Ca(NO3)2+H2SO4-->CaSO4+2HNO3
AL2O3+3H2SO4-->AL2(SO4)3+3H2O
AL2(SO4)3+6NaOH-->2AL(OH)3+3Na2SO4
2AL(OH)3--t-->Al2O3+3H2O
Объяснение:
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Ответ:
2Ca+O2-->2CaO
CaO+HOH-->Ca(OH)2
Ca(OH)2+2HNO3-->Ca(NO3)2+2HOH
Ca(NO3)2+H2SO4-->CaSO4+2HNO3
AL2O3+3H2SO4-->AL2(SO4)3+3H2O
AL2(SO4)3+6NaOH-->2AL(OH)3+3Na2SO4
2AL(OH)3--t-->Al2O3+3H2O
Объяснение: