Phương trình nào dưới đây không đúng?
A.$ 2HCl\,+\,N{{a}_{2}}C{{O}_{3}}\to 2NaCl+C{{O}_{2}}+{{H}_{2}}O .$
B.$ CuS{{O}_{4}}\,+\,Ba{{(OH)}_{2}}\to BaS{{O}_{4}}\downarrow +Cu{{(OH)}_{2}}\downarrow .$
C.$ 2NaOH\,+\,{{H}_{2}}S{{O}_{4}}\to N{{a}_{2}}S{{O}_{4}}+2{{H}_{2}}O .$
D.$ 2Ag\,+\,Cu{{(N{{O}_{3}})}_{2}}\to 2AgN{{O}_{3}}+Cu .$
A.$ 2HCl\,+\,N{{a}_{2}}C{{O}_{3}}\to 2NaCl+C{{O}_{2}}+{{H}_{2}}O .$
B.$ CuS{{O}_{4}}\,+\,Ba{{(OH)}_{2}}\to BaS{{O}_{4}}\downarrow +Cu{{(OH)}_{2}}\downarrow .$
C.$ 2NaOH\,+\,{{H}_{2}}S{{O}_{4}}\to N{{a}_{2}}S{{O}_{4}}+2{{H}_{2}}O .$
D.$ 2Ag\,+\,Cu{{(N{{O}_{3}})}_{2}}\to 2AgN{{O}_{3}}+Cu .$
Loga
Hóa Học lớp 12
