题目内容
（请给出正确答案）
When the mixture is used, it is important to______.
A．keep sugar and salt in water
B．drink it as often as necessary
C．take it as much as possible
D．use it to kill the bacteria
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更多“When the mixture is used, it i…”相关的问题
When the mixture ______, it will give off a powerful force.
A．will heat
B．will be heated
C．is heated
D．has heated
When ice cream is being hand-churned it is surrounded by a mixture of ______.
A．syrup and cream
B．syrup and ice
C．salt and ice
D．fresh fruit and ice
![[图] When the mixture at a is fractionally distill.](http://static.jiandati.com/7bb41aa-chaoxing2016-1053329.png)
When the mixture at a is fractionally distilled, the vapor in equilibrium in the fractioning column moves towards b and then remain unchanged.
A、This is a high-boiling azeotrope
B、This is a low-boiling azeotrope.
C、This is an eutectic transformation
D、This is a pencil!!!
When ice cream is being hand-churned, it is surrounded by a mixture of_____.
A．syrup and cream
B．syrup and ice
C．salt and ice
D．flesh fruit and ice
What does the professor imply when he says thisΩ？
A．That its great mixture of rhythm and beat makes jazz music timeless.
B．That jazz music would outlast any other genres of music.
C．That jazz music will keep on changing but the name of the genre will remain.
D．That its various forms and styles will be remembered always.
A. experimentally
B. unceasingly
C. incompetently
D. accidentally
A.operated continuously while vapors may be present
B.operated intermittently to remove vapors
C.available on standby for immediate use
D.shut down if an explosive mixture is present
A.with dirty water
B.with clean water
C.by oily water
D.by mixed water
![[图] The Gibbs–Duhem equation shows:A、The Gibbs en.](http://static.jiandati.com/7a0c369-chaoxing2016-1053314.png)
The Gibbs–Duhem equation shows:
A、The Gibbs energy of a substance decreases with temperature and increases with pressure.
B、How the changes in chemical potential of the components of a mixture are related.
C、That the variation of Gibbs energy with temperature is related to the enthalpy.
D、The partial molar volume of a substance is the contribution to the volume that a substance makes when it is part of a mixture.
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