1EQ\*jc3\*hps36\o\al(\s\up0(H),2)2一般藥品稱量時(shí)，在兩邊托盤中各放一張大3塊狀、大粒狀及條狀藥品：用鑷子夾取，先把試管橫放，后4D.可用推注射器活塞的方法檢查圖裝置的氣先使試管均勻受熱，然后給試管里的液體的⑴在加熱過程中，用玻璃棒不斷攪拌，防止液體局部過⑵當(dāng)蒸發(fā)至出現(xiàn)較多量固體時(shí)停止加熱，利用余熱將剩⑶熱的蒸發(fā)皿要用坩堝鉗夾取，熱的蒸發(fā)皿要墊上石棉⑵玻璃儀器洗滌干凈的標(biāo)準(zhǔn)：玻璃儀器上附著的5體質(zhì)2物質(zhì)6EQ\*jc3\*hps36\o\al(\s\up0(P),2)5EQ\*jc3\*hps36\o\al(\s\up1(H),2)EQ\*jc3\*hps36\o\al(\s\up1(O),二2)EQ\*jc3\*hps27\o\al(\s\up6(需催化劑),化錳是催)EQ\*jc3\*hps27\o\al(\s\up6(需加),劑需)EQ\*jc3\*hps27\o\al(\s\up6(熱),加)EQ\*jc3\*hps36\o\al(\s\up0(n),4)EQ\*jc3\*hps36\o\al(\s\up0(MnO),4)EQ\*jc3\*hps36\o\al(\s\up0(O),2)EQ\*jc3\*hps36\o\al(\s\up0(O),2)EQ\*jc3\*hps36\o\al(\s\up0(l),3)EQ\*jc3\*hps36\o\al(\s\up0(O),2)7或者，先通過灼熱的氧化銅，固體由黑色逐漸8EQ\*jc3\*hps36\o\al(\s\up0(2H),2)EQ\*jc3\*hps36\o\al(\s\up0(H),2)95、其他EQ\*jc3\*hps36\o\al(\s\up0(O),4)△EQ\*jc3\*hps36\o\al(\s\up0(有H),2)3、氫氣的實(shí)驗(yàn)室制法EQ\*jc3\*hps36\o\al(\s\up0(H),2)EQ\*jc3\*hps36\o\al(\s\up0(O),4)數(shù)為2 ⑸相對(duì)原子質(zhì)量=EQ\*jc3\*hps27\o\al(\s\up14(表),表)EQ\*jc3\*hps27\o\al(\s\up14(示),示)EQ\*jc3\*hps27\o\al(\s\up14(一種),該種)EQ\*jc3\*hps27\o\al(\s\up14(元),元)EQ\*jc3\*hps27\o\al(\s\up14(素),素的)}如O：表示氧元素和一個(gè)子。離子離數(shù)質(zhì)子數(shù)<電子數(shù)粒子結(jié)構(gòu)質(zhì)子數(shù)<電子數(shù)EQ\*jc3\*hps36\o\al(\s\up0(為H),2)成④反應(yīng)物和生成物間的各種粒子的個(gè)數(shù)比；⑤反應(yīng)物和生成物間的EQ\*jc3\*hps36\o\al(\s\up0(劑H),2)活性炭、木炭具有強(qiáng)烈的吸附性，用來吸附========EQ\*jc3\*hps36\o\al(\s\up0(O),2)EQ\*jc3\*hps36\o\al(\s\up0(O),2)C只能用向上排空氣法EQ\*jc3\*hps36\o\al(\s\up0(⑴原理：用石灰石和稀鹽酸反應(yīng)：CaCO),3)EQ\*jc3\*hps36\o\al(\s\up0(O),2)EQ\*jc3\*hps36\o\al(\s\up0(CaCO),3)EQ\*jc3\*hps36\o\al(\s\up0(O),2)EQ\*jc3\*hps36\o\al(\s\up0(H),2)EQ\*jc3\*hps36\o\al(\s\up0(CO),2)EQ\*jc3\*hps36\o\al(\s\up0(H),2)EQ\*jc3\*hps36\o\al(\s\up0(O),2)EQ\*jc3\*hps36\o\al(\s\up0(O),3)2EQ\*jc3\*hps36\o\al(\s\up0(，),2)EQ\*jc3\*hps36\o\al(\s\up0(O),2)⑵還原性：CO+CuOCu+CO（注：不是置換反應(yīng)）應(yīng)用：冶金工業(yè)22EQ\*jc3\*hps36\o\al(\s\up0(O),2)EQ\*jc3\*hps36\o\al(\s\up0(CaCO),3)EQ\*jc3\*hps36\o\al(\s\up0(O),3)EQ\*jc3\*hps36\o\al(\s\up0(O),2)EQ\*jc3\*hps36\o\al(\s\up0(O),3)EQ\*jc3\*hps36\o\al(\s\up0(O),3)EQ\*jc3\*hps36\o\al(\s\up0(O),2)⑴消除可燃物⑵隔絕氧氣（或空氣）⑶降溫到著火點(diǎn)以下O2EQ\*jc3\*hps27\o\al(\s\up7(純金),合金)EQ\*jc3\*hps27\o\al(\s\up7(90多種),幾千種)⑴鋁：地殼中含量最多的金屬元素；⑵鈣：人體中含量最多的金屬元素⑶鐵：目前世界年%金EQ\*jc3\*hps36\o\al(\s\up1(l),2)3EQ\*jc3\*hps36\o\al(\s\up0(H),2)EQ\*jc3\*hps36\o\al(\s\up0(O),4)EQ\*jc3\*hps36\o\al(\s\up0(l),3)EQ\*jc3\*hps36\o\al(\s\up0(O),4)⑸⑹鋅分別跟稀鹽酸、稀硫酸反應(yīng)（鋅與稀鹽酸、稀硫EQ\*jc3\*hps36\o\al(\s\up0(O),4)EQ\*jc3\*hps36\o\al(\s\up0(F),2)EQ\*jc3\*hps36\o\al(\s\up0(Oe),3)EQ\*jc3\*hps36\o\al(\s\up0(C),2)EQ\*jc3\*hps36\o\al(\s\up0(F是e),3)EQ\*jc3\*hps36\o\al(\s\up0(與O),2))⑷而鋁與氧氣反應(yīng)生成致密的氧化鋁薄膜，從而阻止鋁⑴溶液的概念：一種或幾種物質(zhì)分散到另一種物質(zhì)里形液{EQ\*jc3\*hps27\o\al(\s\up13(有水),無水)EQ\*jc3\*hps27\o\al(\s\up13(水為溶劑),量多的為溶)劑不飽和溶液飽和溶液液ANANBPC⑹從B溶液中獲取B晶體只可用蒸發(fā)溶劑結(jié)方法獲取晶體。⑴用固體配制：①步驟：計(jì)算、稱量、溶解；裝瓶②儀器：⑵用濃溶液稀釋（稀釋前后，溶質(zhì)的質(zhì)量不變）①步驟：計(jì)、EQ\*jc3\*hps36\o\al(\s\up0(HNO),3)=H++NO3－、HCl=H++Cl-)＋EQ\*jc3\*hps36\o\al(\s\up0(2SO),4)EQ\*jc3\*hps36\o\al(\s\up0(2SO),4)⑴與酸堿指示劑的反應(yīng)：使紫色石蕊試液變EQ\*jc3\*hps36\o\al(\s\up0(O),4)EQ\*jc3\*hps36\o\al(\s\up0(l),3)EQ\*jc3\*hps36\o\al(\s\up0(Na),2)EQ\*jc3\*hps36\o\al(\s\up0(O),3)EQ\*jc3\*hps36\o\al(\s\up0(HNO),3)EQ\*jc3\*hps36\o\al(\s\up0(HNO),3)EQ\*jc3\*hps36\o\al(\s\up0(O),4)EQ\*jc3\*hps36\o\al(\s\up0(O),3)EQ\*jc3\*hps36\o\al(\s\up0(O),4)EQ\*jc3\*hps36\o\al(\s\up0(O),3)EQ\*jc3\*hps36\o\al(\s\up0(HNO),3)EQ\*jc3\*hps36\o\al(\s\up0(AgNO),3)及EQ\*jc3\*hps36\o\al(\s\up0(HNO),3)4EQ\*jc3\*hps36\o\al(\s\up0(O),3)EQ\*jc3\*hps36\o\al(\s\up0(HNO),3)EQ\*jc3\*hps36\o\al(\s\up0(l),2)EQ\*jc3\*hps36\o\al(\s\up0(HNO),3)4EQ\*jc3\*hps36\o\al(\s\up0(O),3)EQ\*jc3\*hps36\o\al(\s\up0(Na),2)EQ\*jc3\*hps36\o\al(\s\up0(CaCO),3)EQ\*jc3\*hps36\o\al(\s\up0(O),4)2；EQ\*jc3\*hps36\o\al(\s\up0(3Na),2)EQ\*jc3\*hps36\o\al(\s\up0(a),2)EQ\*jc3\*hps36\o\al(\s\up0(H),2)EQ\*jc3\*hps36\o\al(\s\up0(H),2)EQ\*jc3\*hps36\o\al(\s\up0(H),2)EQ\*jc3\*hps36\o\al(\s\up0(O),3)OEQ\*jc3\*hps36\o\al(\s\up0(H),2)EQ\*jc3\*hps36\o\al(\s\up0(H),2)EQ\*jc3\*hps36\o\al(\s\up0(H),2)水溶液有咸欲鈉EQ\*jc3\*hps36\o\al(\s\up0(CaCO),3)EQ\*jc3\*hps36\o\al(\s\up0(O),3)EQ\*jc3\*hps36\o\al(\s\up0(O),2)EQ\*jc3\*hps36\o\al(\s\up0(O),3)EQ\*jc3\*hps36\o\al(\s\up0(O),2)EQ\*jc3\*hps36\o\al(\s\up0(Na),2)EQ\*jc3\*hps36\o\al(\s\up0(O),2)EQ\*jc3\*hps36\o\al(\s\up0(O),3)EQ\*jc3\*hps36\o\al(\s\up0(O),2)EQ\*jc3\*hps36\o\al(\s\up0(CaCO),3)1、實(shí)驗(yàn)步驟：溶解、過濾、蒸發(fā)2、實(shí)驗(yàn)儀器棒EQ\*jc3\*hps36\o\al(\s\up0(O),4)EQ\*jc3\*hps36\o\al(\s\up0(O),4)EQ\*jc3\*hps36\o\al(\s\up0(O),3)EQ\*jc3\*hps36\o\al(\s\up0(Na),2)EQ\*jc3\*hps36\o\al(\s\up0(O),4)EQ\*jc3\*hps36\o\al(\s\up0(H),3)EQ\*jc3\*hps36\o\al(\s\up0(AgNO),3)EQ\*jc3\*hps36\o\al(\s\up0(O),3)EQ\*jc3\*hps36\o\al(\s\up0(HNO),3)EQ\*jc3\*hps36\o\al(\s\up0(O),4)EQ\*jc3\*hps36\o\al(\s\up0(O),3)EQ\*jc3\*hps36\o\al(\s\up0(O),4)EQ\*jc3\*hps36\o\al(\s\up0(O),4)EQ\*jc3\*hps36\o\al(\s\up0(O),3)EQ\*jc3\*hps36\o\al(\s\up0(HNO),3)EQ\*jc3\*hps36\o\al(\s\up0(O),3)EQ\*jc3\*hps36\o\al(\s\up0(l),2)EQ\*jc3\*hps36\o\al(\s\up0(O),3)注：①復(fù)分解反應(yīng)的條件：當(dāng)兩種化合物互相交換成分EQ\*jc3\*hps36\o\al(\s\up0(O),4)EQ\*jc3\*hps36\o\al(\s\up0(O),3)EQ\*jc3\*hps36\o\al(\s\up0(O),3)－EQ\*jc3\*hps36\o\al(\s\up0(H或O),2)EQ\*jc3\*hps36\o\al(\s\up0(O),3)EQ\*jc3\*hps36\o\al(\s\up0(O),4)-（生成CaCEQ\*jc3\*hps36\o\al(\s\up0(O),3)EQ\*jc3\*hps36\o\al(\s\up0(酸H),2)EQ\*jc3\*hps36\o\al(\s\up0(SiO),3)H+EQ\*jc3\*hps36\o\al(\s\up0(HCO),3)性EQ\*jc3\*hps36\o\al(\s\up0(H),2)↑4⑶磷肥作用：促進(jìn)植物根系發(fā)達(dá)，穗粒增多，飽滿（催果）EQ\*jc3\*hps36\o\al(\s\up0(Ca),3)EQ\*jc3\*hps36\o\al(\s\up0(H),2)EQ\*jc3\*hps36\o\al(\s\up0(O),4)EQ\*jc3\*hps36\o\al(\s\up0(H),2)EQ\*jc3\*hps36\o\al(\s\up0(O),3)EQ\*jc3\*hps36\o\al(\s\up0(HPO),4)EQ\*jc3\*hps36\o\al(\s\up0(SO),2)加Ca(OH)2