Air is a mixture (混合物),not a compound of gases. 相关知识点: 试题来源: 解析 答案: mixture.考查首字母填空,根据句意:空气是混合物,不是气体混合物.mixture是名词"混合物"是可数名词,因为不定冠词a, 所以此处天mixture. 空气是混合物,不是气体混合物....
一、 写出画线词语的汉语意思。1. Air is a mixture, not a compound of gases.2. I need to buy a new computer monitor.3. The monument was built in memory of George Washington, the first President of the United States. 相关知识点: 试题来源: 解析 1.混合物 2.显示器 3.纪念碑 ...
Is nail polish a compound, mixture, or element? How will I know if a given formula is an element, compound, or mixture? Classify mercury as an element, a compound, or a mixture. Classify ink as an element, a compound, or a mixture. Classify milk as an element, a compound, or a m...
A mixture of gaseous CO and H_2, called synthesis gas, is used commercially to prepare methanol (CH_3OH), a compound considered an alternative fuel to gasoline. Under equilibrium conditions at 595.0 K Label...
Is salt water classified as an element, a compound, a homogeneous mixture, or a heterogeneous mixture? Explain. Which environment has the greater concentration of dissolved oxygen: salt water or fresh water? Which one of the following would be classifie...
百度试题 结果1 题目3. Air is a mixture (mix), not a compound of gases. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
百度试题 结果1 题目3. Air is amixture(mix),not a compound of gases. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
Structures of this type suitable for gas storage are found where a layer of porous rock is covered by an impervious rock barrier. Examples can be found in water-bearing aquifers or in porous underground strata from which oil or gas have been extracted. Aquifers can be particularly attractive ...
A. milk B. sugar water C. raisin bran D. air E. none of the above Which of the following are solutions? a. Salt/water mixture b. Blueberry muffin c. Brass buckle d. Sand and water mixture Is sand stirred in water classified as an element, a ...
This is because glucose is a compound with the simplest source of carbon and is easily consumed by fungi. The addition of an easily consumable carbon source such as glucose can stimulate the sorption of pollutants (Östberg et al., 2006) showed that mechanisms of the stimulating effect of ...