Предмет: Химия, автор: turen2001

ПОМОГИТЕ ПОЖААААЛУЙСТА С ХИМИЕЙ, ОЧЕНЬ ПРОШУ
ПОЖАЛУЙСТА ХИМИЯ

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Автор ответа: Раиля14

0

а) Na2SiO3+CaCl2=2NaCl+CaSiO3(стрелка вниз)
б) Na2S+H2SO4=Na2SO4+H2S(стрелка вверх)
в) Cu(OH)2+2HNO3=Cu(NO3)2+2H2O
г) CuO+2HCl=CuCl2+H2O
д) KNO3+NaOH=реакция не идет, т.к. ни воды, ни газа, ни осадка не образуется

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