配套习题- 燃烧红磷法测定空气中氧气的含量 -【青果学苑】

1/5单选题

难度：

1.测定空气里氧气含量通常使用的是

A	硫
B	木炭
C	红磷
D	蜡烛

正确答案：Qw==

QeOAgeehq+WcqOepuuawlOS4reeHg+eDp+eUn+aIkOS6jOawp+WMluehq+awlOS9k++8jOiZvemZpOWOu+awp+awlO+8jOiAjOWinuWKoOS6huaWsOeahOawlOS9k++8jOS4jeiDveeUqOadpea1i+WumuepuuawlOS4reawp+awlOWQq+mHj++8jOaVhemAiemhuemUmeivr++8jjxicj5C44CB5pyo54Kt5Zyo56m65rCU5Lit54eD54On55Sf5oiQ5LqM5rCn5YyW56Kz5rCU5L2T5oiW6ICF5LiA5rCn5YyW56Kz5rCU5L2T55Sa6Iez5piv5Lik6ICF55qE5re35ZCI5rCU5L2T77yM6Jm96Zmk5Y675rCn5rCU77yM6ICM5aKe5Yqg5LqG5paw55qE5rCU5L2T77yM5LiN6IO955So5p2l5rWL5a6a56m65rCU5Lit5rCn5rCU5ZCr6YeP77yM5pWF6YCJ6aG56ZSZ6K+v77yOPGJyPkPjgIHnuqLno7flnKjnqbrmsJTkuK3nh4Png6fnlJ/miJDkupTmsKfljJbkuozno7flm7rkvZPvvIzog73pmaTljrvmsKfmsJTvvIzog73nlKjmnaXmtYvlrprnqbrmsJTkuK3msKfmsJTlkKvph4/vvIzmlYXpgInpobnmraPnoa7vvI48YnI+ROOAgeicoeeDm+WcqOepuuawlOS4reeHg+eDp+eUn+aIkOS6jOawp+WMlueis+awlOS9k+WSjOawtOiSuOawlO+8jOiZvemZpOWOu+awp+awlO+8jOiAjOWinuWKoOS6huaWsOeahOawlOS9k++8jOS4jeiDveeUqOadpea1i+WumuepuuawlOS4reawp+awlOWQq+mHj++8jOaVhemAiemhuemUmeivr++8jjxicj7mlYXpgInvvJpD77yO

2/5多选题

难度：

2.用如图所示装置来测定空气中氧气的含量，对该实验认识错误的是

A	铜粉用量的多少，不会影响实验结果
B	实验结束后冷却到室温才能读数
C	气球的作用是调节气压，使氧气完全反应
D	在正常操作情况下，反应结束后消耗氧气的总体积应该是反应前注射器内气体体积的

正确答案：QSxE

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

3/5单选题

难度：

3.如图装置常用来测定空气中氧气含量．下列对该实验认识正确的是

A	红磷燃烧产生大量白雾
B	实验中的红磷可用硫来代替
C	该实验能说明N₂难溶于水
D	红磷量不足会导致进入集气瓶中水的体积大于

正确答案：Qw==

QeOAgee6ouejt+eHg+eDp+S6p+eUn+Wkp+mHj+eahOeZveeDn++8jOiAjOS4jeaYr+eZveiJsueDn+mbvu+8jOaVhemAiemhueivtOazlemUmeivr++8jjxicj5C44CB56Gr56O65Zyo56m65rCU5Lit55Sf5oiQ5LqG5LqM5rCn5YyW56Gr5rCU5L2T77yM55O25YaF5Y6L5by65LiN5Y+Y77yM5LiN6IO955So5LqO5rWL5a6a56m65rCU5Lit5rCn5rCU55qE5ZCr6YeP77yM5pWF6YCJ6aG56K+05rOV6ZSZ6K+v77yOPGJyPkPjgIHlrp7pqozkuK3lvZPoo4Xnva7lhoXov5vlhaXmsLTku6XlkI7vvIzmsK7msJTkvp3nhLbog73lpJ/lrZjlnKjvvIzor7TmmI7msK7msJTpmr7murbkuo7msLTvvIzmlYXpgInpobnor7Tms5XmraPnoa7vvI48YnI+ROOAgee6ouejt+eahOmHj+S4jei2s+aXtu+8jOeHg+eDp+aXtuWwseaXoOazleWwhueTtuWGheawp+awlOWFqOmDqOa2iOiAl+aOie+8jOS8muWvvOiHtOi/m+WFpembhuawlOeTtuS4reawtOeahOS9k+enr+Wwj+S6jjxpbWcgd2lkdGg9MTAgaGVpZ2h0PTM1IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvQTYvOUUvckJBQ0ZGWk5jY0RCZTJZbEFBQUJBeFFjWmNZOTU5LnBuZyIgPu+8juaVhemAiemhueivtOazlemUmeivr++8jjxicj7mlYXpgInvvJpD77yO

4/5单选题

难度：

4.如图所示装置可用于测定空气中氧气的含量，下列说法中，不正确的是

A	实验时红磷一定过量
B	点燃红磷前先用弹簧夹夹紧乳胶管
C	红磷熄灭后立刻打开弹簧夹
D	最终进入瓶中水的体积约为氧气的体积

正确答案：Qw==

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

5/5单选题

难度：

5.如图是测定空气中氧气含量的装置，锥形瓶内空气体积为100mL，注射器中水的体积为25mL，该装置气密性良好．下列说法正确的是

A	白磷燃烧时产生白色烟雾
B	实验过程中气球始终变瘪
C	燃烧结束后立即打开弹簧夹
D	实验结束后，注射器中还剩约5mL水

正确答案：RA==

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