中学生网络课堂本课配套习题挑战模式1/5
| A: 置换出金属铜 |
| B: 产生气体、置换出金属铜 |
| C: 生成蓝色沉淀 |
| D: 产生气体、生成蓝色沉淀 |
- 答案：RA==
6aaW5YWI5Y+R55Sf55qE5piv6ZKg5LiO5rC055qE5Y+N5bqU77yM5Lqn55Sf5rCU5L2T44CCPGJyPuaOpeS4i+adpeWPjeW6lOeUn+aIkOeahE5hT0jkuI7noavphbjpk5zlj5HnlJ/lpI3liIbop6Plj43lupTvvIznlJ/miJDok53oibLmsonmt4DjgII8YnI+57u85LiK77yMROmhueS4uuato+ehrumAiemhueOAgg==
本课配套习题挑战模式2/5
将一小块钠投入盛有饱和NaOH溶液的烧杯中，不能观察的现象有
| A: 溶液变浑浊 |
| B: 钠熔成小球四处游动 |
| C: 发出嘶嘶响声 |
| D: 水面上有大量白烟产生 |
- 提示1：PHA+6Zmk5LqG6ZKg5LiO5rC05Y+N5bqU5Y+R55Sf5Y+Y5YyW5LmL5aSW77yM6L+Y6ZyA6KaB5rOo5oSP55qE5L+h5oGv5piv4oCc6aWx5ZKM5rq25ray4oCd44CCPC9wPg==
- 提示2：PHA+5Zyo5YyW5a2m5a6e6aqM5Lit77yM4oCc55m954Of4oCd6L+Z5Liq546w6LGh5piv55Sx5LqO5Lqn55Sf5LqG5Zu65L2T5bCP6aKX57KS6ICM5Lqn55Sf55qE44CCPC9wPg==
- 答案：RA==
PHA+QeOAgea4qeW6puS4jeWPmO+8jOawouawp+WMlumSoOeahOa6tuino+W6puS4jeWPmO+8jOa6tuWJguWHj+Wwke+8jOa6tui0qOaekOWHuu+8jOa6tua2suWPmOa1kea1iu+8jOaVhUHmraPnoa7vvJs8YnI+QuOAgemHkeWxnumSoOWSjOawtOS5i+mXtOWPjeW6lOaUvuWHuuWkp+mHj+eahOeDre+8jOS9v+W+l+mSoOeGlOaIkOWwj+eQg++8jOeUn+aIkOeahOawouawlOWvvOiHtOWFtuWPl+WKm+S4jeWdh+iAjOWbm+WkhOa4uOWKqO+8jOaVhULmraPnoa7vvJs8YnI+Q+OAgemHkeWxnumSoOWSjOawtOS5i+mXtOWPjeW6lOWJp+eDiO+8jOWPjeW6lOeUn+aIkOawouawlOS4lOWPkeWHuuWSneWSneeahOWjsOmfs++8jOaVhUPmraPnoa7vvJs8YnI+ROOAgemHkeWxnumSoOWSjOawtOS5i+mXtOWPjeW6lOWJp+eDiO+8jOa6tua2suWPmOa1kea1iu+8jOacieawlOS9k+S6p+eUn++8jOS4jeS8muWHuueOsOeZveeDn++8jOaVhUTplJnor6/vvI48YnI+5pWF6YCJROOAgjwvcD4=
本课配套习题挑战模式3/5
金属钠与下列溶液反应时既有沉淀又有气体生成的是
| A: KOH |
| B: NaHCO3 |
| C: BaCl2 |
| D: CuSO4 |
- 提示1：PHA+6ZKg5oqV5YWl5Yiw55uQ5rq25ray5Lit77yM6ZKg5YWI5ZKM5rC05Y+N5bqU55Sf5oiQ5rCi5rCn5YyW6ZKg5ZKM5rCi5rCU44CCPC9wPg==
- 答案：RA==
PHA+6ZKg6aaW5YWI5LiO5rC05Y+N5bqU5pS+5Ye65rCU5L2T44CCPGJyPuWQjOaXtueUn+aIkE5hT0jjgILlj6rmnIlE6aG556Gr6YW46ZOc5Y+v5Lul5LiO5rCi5rCn5YyW6ZKg5Y+N5bqU55Sf5oiQ5rKJ5reA77yM5pWF6YCJ5oupROmhueOAgjwvcD4=
本课配套习题挑战模式4/5
将一小块金属钠投入下列物质的水溶液中，既能生成气体，又能生成白沉淀的是
| A: NH4Cl |
| B: BaCl2 |
| C: FeCl3 |
| D: MgSO4 |
- 提示1：PHA+6ZKg5oqV5YWl5Yiw55uQ5rq25ray5Lit77yM6ZKg5YWI5ZKM5rC05Y+N5bqU55Sf5oiQ5rCi5rCn5YyW6ZKg5ZKM5rCi5rCU44CCPC9wPg==
- 答案：RA==
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
本课配套习题挑战模式5/5
| A: HCl |
| B: Na2SO4 |
| C: FeCl3 |
| D: NaOH |
- 提示1：5rq25ray6LSo6YeP55qE5pS55Y+Y5bqU5a+55q+U4oCc5Yqg5YWl55qE6ZKg55qE6LSo6YeP4oCd5ZKM4oCc55Sf5oiQ5rCi5rCU55qE6LSo6YeP5LiO55Sf5oiQ5rKJ5reA55qE6LSo6YeP5ZKM4oCd44CC
- 答案：Qw==
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
