1/5单选题
难度：
1.下列物质中可用于治疗胃酸过多的是
| A | 碳酸钠 |
| B | 氢氧化铝 |
| C | 氧化钙 |
| D | 碳酸钡 |
- 提示1：
- 5rK755aX6IOD6YW46L+H5aSa5Y+v5Lul6YCJ55So5LiA5Liq56Kx5oCn54mp6LSo77yM5L2G5piv56Kx5oCn5LiN6IO95aSq5by677yM6ICM5LiU6ZyA6KaB5a+55Lq65L2T5rKh5pyJ5Y2x5a6z44CC
正确答案：Qg==
5b6I5aSa6I2v54mp6YCJ55So5rCi5rCn5YyW6ZOd5L2c5Li65rK755aX6IOD6YW46L+H5aSa55qE5pyJ5pWI5oiQ5YiG44CC5Zug5q2k6YCJ5oupQumhueOAgg==
2/5单选题
难度：
2.氢氧化铝可作为治疗胃酸过多的内服药，这是利用了氢氧化铝的
| A | 酸性 |
| B | 碱性 |
| C | 两性 |
| D | 氧化性 |
- 提示1：
- 5pys6aKY55qE6Zeu6aKY5bm26Z2e4oCc5rCi5rCn5YyW6ZOd5YW35pyJ5LuA5LmI5oCn6LSo4oCd77yM6ICM5piv4oCc5a6D5rK755aX6IOD6YW46L+H5aSa55So5Yiw5LqG5LuA5LmI5oCn6LSo4oCd44CC
正确答案：Qg==
5rCi5rCn5YyW6ZOd55So5LqO5rK755aX6IOD6YW46L+H5aSa77yM5piv5LiO6IOD6YW45Y+R55Sf5LqG5Lit5ZKM5Y+N5bqU77yM5L2T546w5LqG5rCi5rCn5YyW6ZOd55qE56Kx5oCn44CC
3/5单选题
难度：
3.下列关于Al(OH)3的性质叙述错误的是
| A | Al(OH)3是两性氢氧化物 |
| B | Al(OH)3是难溶于水的白色胶状物质 |
| C | Al(OH)3能凝聚水中的悬浮物，也能吸附色素 |
| D | Al(OH)3既能溶于NaOH溶液、氨水，又能溶于盐酸 |
- 提示1：
- 5rCi5rCn5YyW6ZOd5piv5Lik5oCn5rCi5rCn5YyW54mp77yM5Y+v5rq25LqO6YW45ZKM5by656Kx77yM5L2G5LiO5byx56Kx5LiN6IO95Y+R55Sf5Y+N5bqU44CC
正确答案：RA==
5rCi5rCn5YyW6ZOd5pys6Lqr5piv5LiA56eN6IO254q25LiN5rq254mp77yM5YW35pyJ5ZC46ZmE5oCn77yM5Y+v5Yed6IGa5rC05Lit55qE5oKs5rWu54mp5ZKM6Imy57Sg562J77yM6L+Z5Lmf5bCx5piv5piO55++5YeA5rC055qE5pys6LSo44CCPGJyPuWug+aYr+S4gOenjeS4pOaAp+awouawp+WMlueJqe+8jOWPr+a6tuS6juWkp+WkmuaVsOeahOmFuOS7peWPiuW8uueise+8jOS9huS4juW8seeiseS4jeiDveWPkeeUn+WPjeW6lOOAgjxicj7nu7zkuIrvvIxE6aG56ZSZ6K+v77yM6YCJ5oupROmhueOAgg==
4/5单选题
难度：
4.向NaOH和NaAlO2的混合液中不断滴加盐酸，下列图像中，能正确表示上述反应的是（横坐标表示加入HCl溶液的体积，纵坐标表示反应生成沉淀的质量）
| A |  |
| B |  |
| C |  |
| D |  |
- 提示1：
- 6aaW5YWI5Y+R55Sf6YW456Kx5Lit5ZKM5Y+N5bqU77yM6IezTmFPSOWPjeW6lOWujOWFqOOAgg==
- 提示2：
- 5o6l5LiL5p2l5rCi56a75a2Q5LiO5YGP6ZOd6YW45qC557uT5ZCI77yM55Sf5oiQ5rCi5rCn5YyW6ZOd44CC
- 提示3：
- 57un57ut5ru05Yqg77yM5rCi5rCn5YyW6ZOd5rq25LqO56iA55uQ6YW444CC5Y+q6ZyA5rGC5Ye65raI6ICX55qE55uQ6YW455qE5L2T56ev5q+U5bCx5Y+v5Lul5LqG44CC
正确答案：Qw==
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
5/5单选题
难度：
5.Al(OH)3和Ga(OH)3均为两性氢氧化物， 酸性强弱顺序为H2CO3＞Ga（OH）3＞Al（OH）3，若把过量的CO2通入含等物质的量的NaAlO2和NaGaO2的混合溶液中，下列说法正确的是
| A | 无任何明显现象 |
| B | 先生成两种沉淀，后沉淀又逐渐溶解 |
| C | 先出现Al（OH）3沉淀，后出现Ga（OH）3沉淀，沉淀不溶解 |
| D | 先出现Ga（OH）3沉淀，后出现Al（OH）3沉淀，沉淀不溶解 |
- 提示1：
- 6YCa5YWl5LqM5rCn5YyW56Kz5ZCO77yM5LqM5rCn5YyW56Kz5ZGI6YW45oCn77yM5a6D5Lya5YWI5LiO56Kx5oCn5by655qE54mp6LSo5Y+N5bqU44CC
正确答案：Qw==
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