-
如图所示的装置有多种用途,请回答下列问题:
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAF4AAABhCAYAAABf/hYWAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
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SUVORK5CYII=
)
(1)若用排空气法收集 CO2,则 CO2气体应从装置的______ 端通入(填“a”或“b”,下同);
(2)若用排空气法收集 H2,则 H2应从装置的______ 端通入;
(3)若用排水法收集 O2,先将瓶内装满水,然后 O2从______ 端通入;
(4)若用水将装置中的 O2排出进行实验时,水应从______ 端流入。
-
如图所示的装置有多种用途,请回答下列问题:
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAF4AAABhCAYAAABf/hYWAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
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SUVORK5CYII=
)
(1)若用排空气法收集 CO2,则 CO2气体应从装置的______ 端通入(填“a”或“b”,下同);
(2)若用排空气法收集 H2,则 H2应从装置的______ 端通入;
(3)若用排水法收集 O2,先将瓶内装满水,然后 O2从______ 端通入;
(4)若用水将装置中的 O2排出进行实验时,水应从______ 端流入。
-
如图所示装置有多种用途.请回答下列问题:
(1)若用排空气法收集CO2,则CO2气体应从装置的______端通入.
(2)若用排空气法收集H2,则H2应从装置的______端通入.
(3)若用排水法收集O2,先在装置中灌满水,O2从______端通入.
(4)若用水将装置中的O2排出,进行实验时,水应从______端流入.
-
如图所示装置有多种用途.请回答下列问题:
(1)若用排空气法收集CO2,则CO2气体应从装置的______端通入.
(2)若用排空气法收集H2,则H2应从装置的______端通入.
(3)若用排水法收集O2,先在装置中灌满水,O2从______端通入.
(4)若用水将装置中的O2排出,进行实验时,水应从______端流入.
-
如图所示装置有多种用途.请回答下列问题:
(1)若用排空气法收集CO2,则CO2气体应从装置的______端通入.
(2)若用排空气法收集H2,则H2应从装置的______端通入.
(3)若用排水法收集O2,先在装置中灌满水,O2从______端通入.
(4)若用水将装置中的O2排出,进行实验时,水应从______端流入.
-
如图所示装置有多种用途,请回答下列问题:
(1)若用排空气法收集CO2,则CO2气体应从装置的端通入(填A或B,下同).
(2)若用排空气法收集H2,则H2应从端通入.
(3)若用排水法收集O2,先将瓶内装满水,然后O2从端通入;若需知道收集到O2的体积,则可在另一端放一个(填仪器名称).
(4)若用水将装置中的O2排出,进行实验,那么水应从端通入.
(5)若用其干燥气体,应在瓶中装入的液体物质是;气体应从端通入,装入液体的量应以为宜.
-
如图所示装置有多种用途,请回答下列问题。
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEIAAABOCAYAAACUlsCTAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
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EfkC0V/m1/bik/BcuAAAAABJRU5ErkJggg==
)
(1)用排空气法收集CO2,则CO2气体应从装置的______(填“a”或“b”,下同)端通入。
(2)若要用排空气法收集H2,则H2应从装置的______端通入。
(3)若用排水法收集O2,应先将瓶内装满水,然后将O2从______端通入。
(4)若用排空气法收集H2,且H2从a端通入,可将该装置________。
-
如图所示装置有多种用途.请回答下列问题:
(1)检验:证明CO中混有CO2,装置内应盛________;
(2)贮气:若用排空气法收集H2时,气体应从装置________端通入(填A或B,下同);若用此装置收集CO2,则气体从________端通入;若用排水法收集O2时,瓶内先装满水,气体从________端通入;若用水将装置的氧气排出进行实验时,水应从________端通入.
-
下图所示装置有多种用途,请回答下列问题:
(1)洗气:除去CO2中的水蒸气,装置内应盛的物质是.
(2)检验:证明CO中混有CO2,装置内应盛.
(3)贮气:若用排空气法收集H2,气体应从装置的端通入(填“A”或“B”,下同.)
若用排水法收集O2,瓶内先装满水,气体从端通入.
若要用水将装置中的氧气排出来进行实验,水应从端通入.
-
右图所示装置有多种用途.请回答下列问题:
(1)洗气:除去CO2中的水蒸气,装置内应盛的物质是______.
(2)贮气:若用排空气法收集H2,气体应从装置的______端通入(填“A”或“B”)