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Only physical means; chemical means alters the chemical composition.
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Is a mixture made of two or more materials that cannot be separated by any means?
No. If the mixture cannot be separated by any means then it has become a new compound and is no longer two materials.If it can be separated by distillation, or one of the materials can be made to precipitate out by a temperature change then it is a solution.If it can be made to separate by a centrifuge it is a suspension.If it will separate by itself with the passage of time, it is just a mixture.---A mixture consists of two or more substances (elements, compounds) that are not combined chemically, so may be separated from each other by any of several physical processes.
How can you distinguish a compound from a mixture?
In a compound the component elements are chemically bonded together in a fixed whole number ratio and definite structure. In a mixture the components are not chemically bonded together, the ratio is variable, and there is usually not a fixed structure.
What system of billions of stars and other matter held relatively close to each by gravity and separated from other such system by vast distances?
The universe
Matter has what two qualities?
Every form of matter has chemical properties and physical properties. Physical properties are those that can be touched and sensed. Chemical properties involve how the matter reacts with other matter and under different conditions.
How is thorium separated from other elements?
Thorium can be separated from other elements by solvent extraction with tributylphosphate.
Which sample of matter can be separated into different substances by physical means?
LiCl (aq) is a mixture of a compound and water. The LiCl can be separated from the water. All the other choices are compounds: LiCl (s), NH3 (g), NH3 (L).
Matter that is uniform throughout and cannot be separated into other substances by physical means is called?
A compound is a molecule that fits this description. Water is such a compound and is a good example.
What is the diiference between a heterogenous mixture and a pure substance?
A heterogeneous mixture can be separated into its components by physical means. On the other hand, compounds cannot be separated into their component elements expect by chemical means. Compounds are pure substances whereas mixtures are not.
Physical and chemical propertires?
Physical means the color, density, state of matter, its structure etc etc. But chemical means how it reacts with water, acid, base and how it changes when it is heated with some other chemicals etc.
Matter can undergo physical and what other type of change?
Matter can undergo go both physical and chemical change.
What physical properties could be used to separated iron filings from salt?
By means of using magnet because magnet has a magnetite that can attract iron filings to separate it to other substance.
Why cant compounds be broken down by physical processes?
Compound is a substance that consists of two or more elements which are chemically bonded. They can only be separated by using chemicals or other means. however mixture can be separated by physical means.
What are physical attributes of matter?
The most important attribute of matter is the ability to pervade other matter.
Which expression is correct mental and physical health or physical and mental health?
Body's physical health is interconnected and cannot be separated from your body's mental health. One affects the other.
How can the components of a mixture be separated from each other?
- distillation - centrifugation - sieving - flotation - electromagnetic separation - filtering - manual sorting - radiometric sorting -etc.
Chemicel and physical change of matter?
A chemical change in matter produces a new substance. A physical change, on the other hand, only alters the state or phase of matter without producing a new substance.
How long do you have to be separated to get a free divorce?
to have a divorce the people that are married need to be together atleast a year. after that year they can file for divorce and have to stay apart without any affairs in till the judge has finalized the statement.
