(function(){var loadHandler=window['sl_{2439E7E9-D661-45ED-8105-CD98EFC3BD5D}'];loadHandler&&loadHandler(37, '<div id="spr0_6a2ef4e"><div id="spr1_6a2ef4e" class="kern slide"><img id="img1_6a2ef4e" src="data/img2.png" width="720px" height="540px" alt="" style="left:0px;top:0px;"/></div><div id="spr2_6a2ef4e" class="kern slide"><div id="spr3_6a2ef4e" style="left:21.75px;top:30px;"><div style="width:0px;"><span id="txt0_6a2ef4e" class="relpos" data-width="361.037109" style="left:7.2px;top:68.103px;">Bài tập 3 trang 58 SGK</span><span id="txt1_6a2ef4e" class="relpos" style="left:7.195px;top:68.103px;">:</span></div><div style="width:0px;"><span id="txt2_6a2ef4e" data-width="629.806641" style="left:7.2px;top:106.983px;">Có nên dùng xô, chậu, nồi nhôm để đựng</span></div><div style="width:0px;"><span id="txt3_6a2ef4e" data-width="544.781250" style="left:7.2px;top:145.863px;">vôi, nước vôi tôi hoặc vữa xây dựng</span></div><div style="width:0px;"><span id="txt4_6a2ef4e" data-width="348.082031" style="left:7.2px;top:184.743px;">không? Hãy giải thích.</span></div></div><div id="spr4_6a2ef4e" style="left:24px;top:11px;"><img id="img0_6a2ef4e" src="data/img104.png" width="665" height="83" alt="HOẠT ĐỘNG LUYỆN TẬP"/></div><div id="spr5_6a2ef4e" style="left:24px;top:263.25px;"><div style="width:0px;"><span id="txt5_6a2ef4e" data-width="614.125000" style="left:7.2px;top:5.304px;">Trả lời: Không nên dùng xô, chậu, nồi nhôm để</span></div><div style="width:0px;"><span id="txt6_6a2ef4e" data-width="633.765625" style="left:7.2px;top:43.704px;">đựng vôi, nước vôi tôi hoặc vữa xây dựng. Vì vôi</span></div><div style="width:0px;"><span id="txt7_6a2ef4e" data-width="613.156250" style="left:7.2px;top:82.104px;">là chất kiềm, có thể tác dụng, làm đồ dùng bằng</span></div><div style="width:0px;"><span id="txt8_6a2ef4e" data-width="216.875000" style="left:7.2px;top:120.504px;">nhôm bị ăn mòn.</span></div></div><div id="spr6_6a2ef4e" style="left:32.5px;top:428.25px;"><div style="width:0px;"><span id="txt9_6a2ef4e" class="relpos" data-width="260.599609" style="left:7.2px;top:5.021px;">PTHH: 2Al + Ca(OH)</span><span id="txt10_6a2ef4e" class="relpos" style="left:7.195px;top:20.623px;">2</span><span id="txt11_6a2ef4e" class="relpos" data-width="67.703125" style="left:7.19px;top:5.021px;"> + 2H</span><span id="txt12_6a2ef4e" class="relpos" style="left:7.185px;top:20.623px;">2</span><span id="txt13_6a2ef4e" class="relpos" data-width="57.558594" style="left:7.18px;top:5.021px;">O →</span><span id="txt14_6a2ef4e" class="relpos" data-width="99.572266" style="left:7.175px;top:5.021px;"> Ca(AlO</span><span id="txt15_6a2ef4e" class="relpos" style="left:7.17px;top:20.623px;">2</span><span id="txt16_6a2ef4e" class="relpos" style="left:7.165px;top:5.021px;">)</span><span id="txt17_6a2ef4e" class="relpos" data-width="21.282551" style="left:7.16px;top:20.623px;">2+</span><span id="txt18_6a2ef4e" class="relpos" data-width="43.572266" style="left:7.155px;top:5.021px;"> 3H</span><span id="txt19_6a2ef4e" class="relpos" style="left:7.15px;top:20.623px;">2</span><span id="txt20_6a2ef4e" class="relpos" style="left:7.145px;top:14.237px;">↑</span></div></div></div></div>');})();