A. evaporation B. sublimation C. condensation D. diffusion 相关知识点: 试题来源: 解析 B。固体直接变成气体的过程叫升华。选项 A 蒸发是液体变为气体;选项 C 冷凝是气体变为液体;选项 D 扩散是物质的一种混合方式。反馈 收藏
The process of a substance changing from a solid to a gas is called ___. A. evaporation B. sublimation C. condensation D. deposition 相关知识点: 试题来源: 解析 B。sublimation 是物质从固态直接变为气态的过程,叫升华;evaporation 是蒸发,通常是指液体变为气体;condensation 是冷凝,是气体变为液体...
In a process of gasifying solid fuel such as coal comprising the steps of contacting the solid fuel under a pressure of at least about 5 bars in a reaction chamber surrounded by a water-cooled zone, the reaction heat evaporating water in said zone, transferring the water vapor from said ...
The process by which a solid changes directly into a gas without passing through the liquid state is called ___. A. evaporation B. condensation C. sublimation D. deposition 相关知识点: 试题来源: 解析 C。解析:“sublimation”是升华,固体直接变为气体不经过液态的过程是升华;“evaporation”是蒸发...
The process by which a solid turns directly into a gas is called___. A. sublimation B. evaporation C. condensation D. dissolution 相关知识点: 试题来源: 解析 A。解析:固体直接变成气体的过程叫升华。选项 B 蒸发是液体变成气体;选项 C 冷凝是气体变成液体;选项 D 溶解是固体在液体中分散。反馈...
A. Sublimation B. Evaporation C. Condensation D. Distillation 相关知识点: 试题来源: 解析 A。固体直接变为气体的过程称为升华(Sublimation)。“Evaporation”是蒸发,指液体变为气体;“Condensation”是冷凝,气体变为液体;“Distillation”是蒸馏。本题描述的是固体到气体,所以是升华,选 A。反馈 收藏 ...
Dissolution is the process of a solid, liquid or gas being dispersed uniformly in a ___. A. solution B. solvent C. mixture D. compound 相关知识点: 试题来源: 解析 B。解析:溶解是指固体、液体或气体均匀地分散在溶剂中形成均匀混合物的过程。solution 是溶液;solvent 是溶剂;mixture 是混合物;...
Gas-to-solid (GTS) is a process to artificially manufacture gas hydrate, during which natural gas and water are placed together into a stirred tank or a spray tower reactor at the () of 5°C and the () of 50 atm.A.temperatureB.timeC.conditionD.pres
Gas to solid is deposition
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