A、加深
B、不变
C、变浅
D、消失
更多“向Na<sub>2</sub>CO<sub>3</sub>溶液中滴入两滴酚酞溶液，溶液呈粉红色，微热后，溶液的颜色（）”相关的问题
A、H<sub>2sub>SO<sub>4sub>Na<sub>2sub>CO<sub>3sub>BaCl<sub>2sub>HCl B、HClH<sub>2sub>SO<sub>4sub>Na<sub>2sub>CO<sub>3sub>BaCl<sub>2sub> C、Na<sub>2sub>CO<sub>3sub>H<sub>2sub>SO<sub>4sub>HClBaCl<sub>2sub> D、BaCl<sub>2sub>HClNa<sub>2sub>CO<sub>3sub>H<sub>2sub>SO<sub>4sub>
A、NaOH+Na<sub>2sub>CO<sub>3sub> B、NaOH+NaHCO<sub>3sub> C、NaHCO<sub>3sub>+Na<sub>2sub>CO<sub>3sub> D、Na<sub>2sub>CO<sub>3sub>
A、NaHCO<sub>3sub>、NaH<sub>2sub>PO<sub>4sub> B、Na<sub>2sub>CO<sub>3sub>、NaH<sub>2sub>PO<sub>4sub> C、NaHCO<sub>3sub>、Na<sub>2sub>HPO<sub>4sub> D、Na<sub>2sub>CO<sub>3sub>、Na<sub>2sub>HPO<sub>4sub>
A、NaOH+Na<sub>2sub>CO<sub>3sub> B、NaHCO<sub>3sub> C、Na<sub>2sub>CO<sub>3sub>+NaHCO<sub>3sub> D、Na<sub>2sub>CO<sub>3sub>
A、NaCl和NaOH B、Na<sub>2sub>CO<sub>3sub>和CaCl<sub>2sub> C、Na<sub>2sub>CO<sub>3sub>和NH<sub>4sub>Cl D、NaHCO<sub>3sub>和NH<sub>4sub>Cl
A、NaCl和NaOH B、Na<sub>2sub>CO<sub>3sub>和CaCl<sub>2sub> C、Na<sub>2sub>CO<sub>3sub>和NH<sub>4sub>Cl D、NaHCO<sub>3sub>和NH<sub>4sub>Cl
A、Na<sub>2sub>SO<sub>4sub>、BaCl<sub>2sub>、NaOH B、Na<sub>2sub>SO<sub>4sub>、CuCl<sub>2sub>、HNO<sub>3sub> C、Na<sub>2sub>SO<sub>4sub>、CuCl<sub>2sub>、NaOH D、Na<sub>2sub>CO<sub>3sub>、CuSO<sub4sub>、H<sub>2sub>SO<sub>4sub>sub4sub>
A、Na<sub>2sub>CO<sub>3sub> B、Na<sub>3sub>PO<sub>4sub> C、NaOH D、Na<sub>2sub>HPO<sub>4sub>
客服
TOP
查看正确答案
